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 |  | Hydroponics : CO2 HOSE : Green Air Replace. CO2 Hose - use w/all Green Air Generators
 $39.95 |  | ![Hydroponics : (CT-DH-3) SYNCHRONIZED COOLING : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_68953606) |  | Hydroponics : (CT-DH-3) SYNCHRONIZED COOLING : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]
 $225.00 |
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![Hydroponics : (CT-DH-3P) SYNCHRONIZED COOLING W/PHOTO : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_68955988) |  | Hydroponics : (CT-DH-3P) SYNCHRONIZED COOLING W/PHOTO : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlet [model CT-DH-3]
 $280.00 |  |  |  | Hydroponics : SENTINEL POWER EXP. 120-VOLT (PXM-1) : PXM-1 Power Expansion Module 120 Volt
 $97.95 |
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 |  | Hydroponics : SENTINEL ENVIRONMENTAL CONT. (EVC-2) : EVC-2 Environmental Controller
 $304.95 |  |  |  | Hydroponics : 6IN NET POTS (30/BAG) : EVC-1/Environmental Controller
 $6.20 |
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 |  | Hydroponics : SENTINEL UNIVERSAL TEMP. CONT. (UTC-1) : UTC-1/Universal Temperature Controller
 $149.95 |  |  |  | Hydroponics : SENTINEL DIGITAL RECYCLING TIMER (DRT-1) : DRT-1/Digital Recycling Timer
 $129.95 |
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 |  | Hydroponics : SENTINEL MASTER DIGITAL TIMER (MDT-1) : MDT-1/Master Digital Timer
 $214.95 |  |  |  | Hydroponics : SENTINEL COOLING THERMOSTAT (COOL-1) : COOL-1/Cooling Thermostat
 $74.95 |
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 |  | Hydroponics : SENTINEL POWER EXP. 240-VOLT (PXM-2) : PXM-2 Power Expansion Module 240 Volt
 $117.95 |  |  |  | Hydroponics : SENTINEL HIGH POWER HID CONT. (HPH-4) : HPH-4 High Power HID Controller
 $174.95 |
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 |  | Hydroponics : SENTINEL HIGH POWER HID CONT. (HPH-8) : HPH-8 High Power HID Controller
 $254.95 |  | ![Hydroponics : (IGS-220) CO2/RELATIVE HUMIDIT : iGS Day & Night CO2, Rel Hum & Temp Smart Control [model iGS-220]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_68978197) |  | Hydroponics : (IGS-220) CO2/RELATIVE HUMIDIT : iGS Day & Night CO2, Rel Hum & Temp Smart Control [model iGS-220]
 $1,004.00 |
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![Hydroponics : (IGS-012) HIGH TEMP WATCHDOG : iGS High Temperature Watchdog [model iGS-012]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_68980440) |  | Hydroponics : (IGS-012) HIGH TEMP WATCHDOG : iGS High Temperature Watchdog [model iGS-012]
 $114.00 |  |  |  | Hydroponics : FLAME KING LP GAS METER : Gas Meter
 $33.95 |
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![Hydroponics : (IGS-100) CO2 CONTROL W AUXILL : iGS CO2 Control w Auxiliary Shut Off Output [model iGS-100]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_68984250) |  | Hydroponics : (IGS-100) CO2 CONTROL W AUXILL : iGS CO2 Control w Auxiliary Shut Off Output [model iGS-100]
 $774.00 |  | ![Hydroponics : (IGS-110) DAY&NIGHT TEMP&RELAT : iGS Day & Night Temp & Relative Humidity Control [model iGS-110]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_68986314) |  | Hydroponics : (IGS-110) DAY&NIGHT TEMP&RELAT : iGS Day & Night Temp & Relative Humidity Control [model iGS-110]
 $444.00 |
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 |  | Hydroponics : CO2 DETECTOR TUBES (1 EA = BOX : CO2 Detector Tubes
 $44.95 |  |  |  | Hydroponics : IGS CO2 GENERATOR LP - 12000 BTU : IGS CO2 Generators
 $854.00 |
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 |  | Hydroponics : IGS CO2 GENERATOR NG - 12000 BTU : IGS CO2 Generators
 $884.00 |  |  |  | Hydroponics : IGS CO2 GENERATOR LP - 24000 BTU : IGS CO2 Generators
 $934.00 |
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 |  | Hydroponics : IGS CO2 GENERATOR NG - 24000 BTU : IGS CO2 Generators
 $974.00 |  |  |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. LP - 12000 BTU : IGS CO2 Generators with Heat Exchangers
 $964.00 |
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 |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. NG- 12000 BTU : IGS CO2 Generators with Heat Exchangers
 $994.00 |  |  |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. LP - 24000 BTU : IGS CO2 Generators with Heat Exchangers
 $1,084.00 |
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 |  | Hydroponics : IGS CO2 GEN. W/ HEAT. EX. NG - 24000 BTU : IGS CO2 Generators with Heat Exchangers
 $1,134.00 |  |  |  | Hydroponics : SENTINEL VARI. CO2 GEN. LP 3000 (VCG-6) : Variable C02 Generators
 $474.95 |
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 |  | Hydroponics : SENTINEL VARI. CO2 GEN. NG 3000 (VCG-6) : Variable C02 Generators
 $474.95 |  |  |  | Hydroponics : SENTINEL VARI. CO2 GEN. LP 6000 (VCG-27) : Variable C02 Generators
 $654.95 |
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 |  | Hydroponics : SENTINEL VARI. CO2 GEN. NG 6000 (VCG-27) : Variable C02 Generators
 $654.95 |  |  |  | Hydroponics : HAR MAS REL 120Vx15amp-DISCONTINUED : Harvest-Master® Relays
 $84.90 |
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 |  | Hydroponics : HAR MAS REL 240Vx15amp -DISCONTINUED : Harvest-Master® Relays
 $164.00 |  |  |  | Hydroponics : OPTIMUM GROWTH C02 SYSTEM : Optimum Growth C02 System
 $174.95 |
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 |  | Hydroponics : OPTIMUM GROWTH DELUXE C02 SYSTEM W/TIMER : Optimum Growth C02 System with Timer
 $234.95 |  |  |  | Hydroponics : (CD-6NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $625.00 |
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 |  | Hydroponics : (CD-12NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $705.00 |  |  |  | Hydroponics : (CD-3LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $515.00 |
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 |  | Hydroponics : (CD-3NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $550.00 |  |  |  | Hydroponics : (CD-6LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $605.00 |
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 |  | Hydroponics : (CD-12LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $690.00 |  |  |  | Hydroponics : (CD-36LP) CO2 GENERATOR PROPANE : C02 Generators with LP Rated Hoses
 $850.00 |
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 |  | Hydroponics : (CD-36NG) CO2 GENERATOR NATURAL : C02 Generators with LP Rated Hoses
 $870.00 |  |  |  | Hydroponics : GAS PRO 6 NG GENERATOR W/CO2 S/0 : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,192.50 |
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 |  | Hydroponics : GAS PRO 6 BURNER NG CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $836.00 |  |  |  | Hydroponics : GAS PRO 6 BURNER LP CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $836.00 |
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 |  | Hydroponics : GAS PRO 12 BURNER NG CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,003.95 |  |  |  | Hydroponics : GAS PRO 12 BURNER LP CO2 GENERATOR S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,003.95 |
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 |  | Hydroponics : GAS PRO LP GENERATOR W/CO2 S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,192.50 |  |  |  | Hydroponics : GAS PRO 12 NG GENERATOR W/CO2 S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,368.00 |
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 |  | Hydroponics : GAS PRO 12 LP GENERATOR W/CO2 S/O : Solatel Gas Pro CO2 Generator & CO2 400 Controller
 $1,368.00 |  |  |  | Hydroponics : CO2 EASI KOOL KIT - DISCONTINUED : Harvest-Master® CO2 EASi Units
 $114.90 |
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 |  | Hydroponics : CO2 EASI UNIT - DISCONTINUED : Harvest-Master® CO2 EASi Units
 $654.00 |  |  |  | Hydroponics : HARV MASTER CO2 UPG- DISCONTINUED : Harvest-Master® CO2 Upgrade
 $654.00 |
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![Hydroponics : (THC-1) TOTAL HUMIDITY CONTROL : Green Air Total Humidity Controller - Humidify & Dehumidify [model THC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69063548) |  | Hydroponics : (THC-1) TOTAL HUMIDITY CONTROL : Green Air Total Humidity Controller - Humidify & Dehumidify [model THC-1]
 $150.00 |  |  |  | Hydroponics : HAR MAST CLIMPRO CONT-DISCONTINUED : Harvest-Master® Climate Pro Plus Controller
 $2,104.00 |
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 |  | Hydroponics : HARV MAST CLIM CONT - DISCONTINUED : Harvest-Master® Climate Controller
 $904.00 |  |  |  | Hydroponics : HARST MAS CLIMPROCONT-DISCONTINUED : Harvest-Master® Climate Controller
 $1,604.00 |
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 |  | Hydroponics : SENTINEL EXPANSION REGULATOR (CO2-EXP) : C02-EXP C02 Expansion Regulator
 $84.95 |  | ![Hydroponics : (BCDE-1) BOTTLE CO2 REGULATOR W/SOLENOID : Green Air Bottle CO2 Regulator & Solenoid [model BCDE-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69072537) |  | Hydroponics : (BCDE-1) BOTTLE CO2 REGULATOR W/SOLENOID : Green Air Bottle CO2 Regulator & Solenoid [model BCDE-1]
 $245.00 |
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![Hydroponics : (IGS-040) DAY & NIGHT -DISCONTINUED : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69074606) |  | Hydroponics : (IGS-040) DAY & NIGHT -DISCONTINUED : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]
 $284.00 |  | ![Hydroponics : (IGS-040R) REMOTE DAY&NIGHT CO : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69076667) |  | Hydroponics : (IGS-040R) REMOTE DAY&NIGHT CO : iGS Day & Night Cooling & Dehumidifying Control w Display [model iGS-040]
 $294.00 |
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 |  | Hydroponics : POWER EXPANDER 120V (PWX-1) : Solatel PWX-1 Power Expander (120V 15A)
 $100.00 |  |  |  | Hydroponics : PWX-D20 POWER EXP(SEQ)-DISCONTINUED : Solatel PWX-1 Power Expander (120V 15A)
 $154.95 |
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 |  | Hydroponics : EXT CABLE SET 4 EA-DISCONTINUED : Plant Pro Environmental Controller
 $40.00 |  |  |  | Hydroponics : PLANT PRO CONT (SYS 1)-DISCONTINUED : Plant Pro Environmental Controller
 $627.95 |
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 |  | Hydroponics : PLANT PRO CONTROLLER (SYSTEM 2) W/ CO2 : Plant Pro Environmental Controller
 $1,000.00 |  |  |  | Hydroponics : PWX-240-4 POWER EXPANDER 4 OUTLET : PWX Power Expanders
 $234.95 |
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 |  | Hydroponics : PWX-240-U POWER EXPANDER 6 OUTLET COMBO : PWX Power Expanders
 $254.95 |  |  |  | Hydroponics : (T12VDC) 12 VOLT DC ADAPTOR FOR CO2 : Green Air 12 Volt AC/DC Adaptor
 $25.00 |
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 |  | Hydroponics : SENTINEL CO2 REGULATOR (CO2-REG) : C02-REG C02 Regulator
 $149.95 |  | ![Hydroponics : (CDMC-7) CDDS-2 & CDM-7001 SENSOR : Green Air CDDS-2 & CDM-7001 Sensor [model CDMC-7]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69095234) |  | Hydroponics : (CDMC-7) CDDS-2 & CDM-7001 SENSOR : Green Air CDDS-2 & CDM-7001 Sensor [model CDMC-7]
 $1,400.00 |
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 |  | Hydroponics : SENTINEL TOTAL ENVIRONMENT CONT (CHHC-1) : CHHC-1 Total Environmental Controller
 $674.95 |  |  |  | Hydroponics : SENTINEL CO2 CONT. W/ PHOTOCELL (CPPM-1) : CPPM-1 C02 Controller with Photocell
 $554.95 |
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![Hydroponics : (CST-1) CHRONOMETRIC SEQUENTIAL TIMER : Green Air Chronometric Sequential Timer [model CST-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69102321) |  | Hydroponics : (CST-1) CHRONOMETRIC SEQUENTIAL TIMER : Green Air Chronometric Sequential Timer [model CST-1]
 $235.00 |  | ![Hydroponics : (CT-DH-4P) INDEPENDENT COOLING THERM/DEH : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlets [model CT-DH-4P]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69104798) |  | Hydroponics : (CT-DH-4P) INDEPENDENT COOLING THERM/DEH : Green Air Synchronized Cooling Thermostat/Dehumidistat/4 Outlets [model CT-DH-4P]
 $305.00 |
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![Hydroponics : (CYCLESTAT-4P) REPEAT CYCLE TIMER : Green Air Repeat Cycle Timer [model CYCLESTAT 4P]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69107161) |  | Hydroponics : (CYCLESTAT-4P) REPEAT CYCLE TIMER : Green Air Repeat Cycle Timer [model CYCLESTAT 4P]
 $175.00 |  | ![Hydroponics : (IGS-010) DAY&NIGHT CYCLE TIME : iGS Precision Day & Night Cycle Timer w Photocell & Display [model iGS-010]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69109452) |  | Hydroponics : (IGS-010) DAY&NIGHT CYCLE TIME : iGS Precision Day & Night Cycle Timer w Photocell & Display [model iGS-010]
 $194.00 |
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![Hydroponics : (IGS-011) CYCLE TIMER W PHOTO : iGS Cycle Timer with Photocell [model iGS-011]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69111510) |  | Hydroponics : (IGS-011) CYCLE TIMER W PHOTO : iGS Cycle Timer with Photocell [model iGS-011]
 $104.00 |  |  |  | Hydroponics : (IGS-020) DAY&NIGHT TEMP CONTR : iGS Day & Night Temperature Control W Display
 $194.00 |
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 |  | Hydroponics : (IGS-020R) REMOTE DAY&NIGHT TE : iGS Day & Night Temperature Control W Display
 $204.00 |  | ![Hydroponics : (IGS-021) DAY&NIGHT TEMP CONTR : iGS Day & Night Temperature Control [model iGS-021]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69117492) |  | Hydroponics : (IGS-021) DAY&NIGHT TEMP CONTR : iGS Day & Night Temperature Control [model iGS-021]
 $114.00 |
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![Hydroponics : (IGS-030) DAY&NIGHT RELATIVE H : iGS Day & Night Humidity Control With Display [model iGS-030]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69119458) |  | Hydroponics : (IGS-030) DAY&NIGHT RELATIVE H : iGS Day & Night Humidity Control With Display [model iGS-030]
 $234.00 |  | ![Hydroponics : (IGS-030R) REMOTE DAY&NIGHT RE : iGS Day & Night Humidity Control With Display [model iGS-030]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69121505) |  | Hydroponics : (IGS-030R) REMOTE DAY&NIGHT RE : iGS Day & Night Humidity Control With Display [model iGS-030]
 $244.00 |
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![Hydroponics : (IGS-061) CO2 CONTROL W HIGH T : iGS CO2 Control w High Temp Shut Off Function [model iGS-061]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69123552) |  | Hydroponics : (IGS-061) CO2 CONTROL W HIGH T : iGS CO2 Control w High Temp Shut Off Function [model iGS-061]
 $644.00 |  |  |  | Hydroponics : (IMS-100) AUTOMATIC DIALER ALARM : iMS 100 Automatic Dialer & Movement Detector Alarm
 $274.00 |
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![Hydroponics : (LT8-240) 8 LIGHT TIMER 240V : Green Air 8 Light Timer - 240 volts [model LT8-240]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69127559) |  | Hydroponics : (LT8-240) 8 LIGHT TIMER 240V : Green Air 8 Light Timer - 240 volts [model LT8-240]
 $415.00 |  | ![Hydroponics : (MCC-1) MICROCLIMATE CONTROLLER SYSTEM : Green Air Microclimate Controller System/8 Outlet [model MCC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69129572) |  | Hydroponics : (MCC-1) MICROCLIMATE CONTROLLER SYSTEM : Green Air Microclimate Controller System/8 Outlet [model MCC-1]
 $775.00 |
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 |  | Hydroponics : HARVEST MASTER TEXT ME MODEM : Harvest-Master® Text Me Modem
 $872.00 |  |  |  | Hydroponics : POWER EXPANDER 240V (PWX-240-6) : Solatel PWX-240 Power Expander (240V - 30A)
 $254.95 |
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 |  | Hydroponics : PWX-240S POWER EXPANDER(20 SEC. DELAY) : Solatel PWX-240 Power Expander (240V - 30A)
 $304.95 |  |  |  | Hydroponics : THP-100 ATMOSPHERIC CONTROLLER : THP 100 Atmospheric Controller
 $264.95 |
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![Hydroponics : (TEMP H/C-3) TEMPSTAT THERMOSTAT 3* F : Green Air Tempstat Thermostat 3F - Heating & Cooling [model H/C-3]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69138304) |  | Hydroponics : (TEMP H/C-3) TEMPSTAT THERMOSTAT 3* F : Green Air Tempstat Thermostat 3F - Heating & Cooling [model H/C-3]
 $160.00 |  |  |  | Hydroponics : TITAN CO2 CONTROLLER : Titan CO2 Controller
 $5.00 |
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![Hydroponics : (TSC-1) 24 HOUR TIMESTAT CONTROLLER : Green Air 24 hr. Timestat Controller [model TSC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69141933) |  | Hydroponics : (TSC-1) 24 HOUR TIMESTAT CONTROLLER : Green Air 24 hr. Timestat Controller [model TSC-1]
 $155.00 |  |  |  | Hydroponics : LAMP PRO TIMER 120V (LP120S) : Solatel LP 120S Lamp Pro Timer
 $284.95 |
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 |  | Hydroponics : LAMP PRO TIMER 240V (LP240S) : Solatel LP 240S Pro Lamp Timer - 240V 30A
 $304.95 |  | ![Hydroponics : (CDMC-6) CDDS-2 & CDM-6000 SENSOR : Green Air CDDS-2 & CDM-6000 Sensor [model CDMC-6]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69148335) |  | Hydroponics : (CDMC-6) CDDS-2 & CDM-6000 SENSOR : Green Air CDDS-2 & CDM-6000 Sensor [model CDMC-6]
 $910.00 |
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![Hydroponics : (LT4-120) 4 LIGHT TIMER 120V : Green Air 4 Light Timer - 120 volts [model LT4-120]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69150106) |  | Hydroponics : (LT4-120) 4 LIGHT TIMER 120V : Green Air 4 Light Timer - 120 volts [model LT4-120]
 $315.00 |  | ![Hydroponics : (LT4-240) 4 LIGHT TIMER 240V : Green Air 4 Light Timer - 240 volts [model LT4-240]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69152187) |  | Hydroponics : (LT4-240) 4 LIGHT TIMER 240V : Green Air 4 Light Timer - 240 volts [model LT4-240]
 $370.00 |
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 |  | Hydroponics : (ILS120-OFF) SWITCHER 120V OFF : iLS 120-OFF Plug-in 12 Amps On-switched Relay w/low current
 $94.00 |  | ![Hydroponics : (CT-HT-2) INDEPENDENT COOLING & HEATING : Green Air Independent Cooling & Heating Thermostat/4 0utlet [model CT-HT-2]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69156404) |  | Hydroponics : (CT-HT-2) INDEPENDENT COOLING & HEATING : Green Air Independent Cooling & Heating Thermostat/4 0utlet [model CT-HT-2]
 $190.00 |
 |
 |
![Hydroponics : (CT-DH-1) INTEGRATED COOLING : Green Air Integrated Cooling Thermostat & Dehumidistat/4 Outlets [Model CT-DH-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69158705) |  | Hydroponics : (CT-DH-1) INTEGRATED COOLING : Green Air Integrated Cooling Thermostat & Dehumidistat/4 Outlets [Model CT-DH-1]
 $190.00 |  | ![Hydroponics : (IGS-070) PLUG- IN MANUAL VARI : iGS Plug-In Manual Variable Speed Control [model iGS-070]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69160999) |  | Hydroponics : (IGS-070) PLUG- IN MANUAL VARI : iGS Plug-In Manual Variable Speed Control [model iGS-070]
 $84.00 |
 |
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![Hydroponics : (SPC-1) CO2 SET POINT CONTROLLER : Green Air CO2 Set Point Controller [model SPC-1]](http://us.st12.yimg.com/us.st.yimg.com/I/yhst-44371338330177_2029_69162773) |  | Hydroponics : (SPC-1) CO2 SET POINT CONTROLLER : Green Air CO2 Set Point Controller [model SPC-1]
 $554.00 |  |  |  | Hydroponics : (ILS4-240) LIGHTING LOAD SWITC : iLS4-240 Lighting Load Switch Box with Internal 0-20 Minutes On Delay 240 volt Outputs
 $244.00 |
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 |  | Hydroponics : (ILS4-120S) LIGHTING LOAD SWIT : iLS4-120S Light Load Switch W Internal 0-20 Minute On Delay
 $234.00 |  |  |  | Hydroponics : CO2 TEST KIT : CO2 Test Kit by Control Wizard
 $24.95 |
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