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Displaying 1 to 20 (of 30 products) Result Pages:  1  2  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model-   Price   Buy Now 
 13" Round Thermometer      13" Round Thermometer 
13" Round ThermometerKeep an eye on your growing area's temperature with this large numbered thermometer. ... — Ships from Portland, Oregon USA...more.
 MI732   $10.95 
 Thermometer.      Thermometer. 
Farmtek Thermometer. Large and easy to read.... — Ships from Portland, Oregon USA...more.
 MI731   $9.95 
 High/Low Thermometer.      High/Low Thermometer. 
Farmtek High/Low Thermometer. Records the days high and low temperatures. Uses real mercury for accurate readings. The small red wand detaches and you pull the indicator back in contact with the mercury to reset. Great product.... — Ships from Portland, Oregon USA...more.
 MI730   $21.17 
 Digital Thermometer/Hygrometer.      Digital Thermometer/Hygrometer. 
Digital LCD Minimum, Maximum thermometer and humidity device. Allows you to reset minimum and maximum settings. Large letters for easy reading. Comes with 1 AA battery. This is not a controller. Displays the readings only. Very nice! Almost 4 1/2 height x 4 length almost 1 inch depth (thickness) screen is 2 1/2 x 3 inches.... — Ships from Portland, Oregon USA...more.
 MI419   $24.95 
 Moisture/Light Meter.      Moisture/Light Meter. 
RAPITEST MOISTURE AND LIGHT METER WITH PROBE.... — Ships from Portland, Oregon USA...more.
 MI212   $22.95 
 Wireless Weather Station w/Moon Phase   HydroFarm   Wireless Weather Station w/Moon Phase 
La Crosse Technology Wireless Weather Station w/Moon Phase (LCT9066)Track what the weather is doing wirelessly. Receive outdoor temperature & humidity indoors. Included outdoor transmitter that has a range within 330 ft. Indoor display monitors indoor temp & humidity and moon phase. Manual 12 or 24 set time and requires 4 AAA batteries (not included.) Features• 8 Moon phase ic... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LCT9066   $24.95 
 Temp & Humidity Wireless Alert System   HydroFarm   Temp & Humidity Wireless Alert System 
La Crosse Technology Temp & Humidity Wireless Alert System (LCT1111)Use a smartphone, tablet or computer to receive alerts and remotely monitor temperature and humidity levels that affect your greenhouse, garden or other sensitive plants.* Monitor ambient temperature and humidity to prevent damage to sensitive plants, frozen pipes or mold growth.* • Measures ambient air temper... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LCT1111   $96.35 
 12" Temperature/Humidity Gauge   HydroFarm   12" Temperature/Humidity Gauge 
12" Temperature/Humidity Gauge (HGTHG)Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment.   Manufacturer's Product Informat... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HGTHG   $19.60 
 Active Air Hygro-Thermometer   HydroFarm   Active Air Hygro-Thermometer 
Active Air Active Air Hygro-Thermometer (HGIOHTJ)You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's readings are extremely accurate. Prop it up on your workspace, close to your plants, or wall-mou... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HGIOHTJ   $15.67 
 Active Air Indoor-Outdoor Thermometer w/Hygrometer   HydroFarm   Active Air Indoor-Outdoor Thermometer w/Hygrometer 
Active Air Active Air Indoor-Outdoor Thermometer w/Hygrometer (HGIOHT)Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once and record the high a... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HGIOHT   $14.24 
 Watertight Thermostat.      Watertight Thermostat. 
COOLING OR HEATING WATERTIGHT THERMOSTAT WITH 120 VOLT PIGGYBACK POWER CORDThis thermostat is wired and ready to go. Simply plug your fan into the piggy back power cord. It is water tight with a protective plastic cover. Nice unit. Gas filled coil thermostat for great reliability and accuracy. Turns equipment ON at 4 degrees above the set point and OFF 3 degrees below set point. Ma... — Ships from Portland, Oregon USA...more.
 FA201   $92.95 
 Watertight Thermostat.      Watertight Thermostat. 
COOLING OR HEATING WATERTIGHT THERMOSTAT. HARDWIRE 120 OR 240. Made in HollandThis thermostat requires you to hardwire a piggy back power cord into it or install it in-line through your wall outlet electrical system. Comes with instructions.... — Ships from Portland, Oregon USA...more.
 FA200   $63.95 
 Quantum Light Meter   HydroFarm   Quantum Light Meter 
Available Monday 30 June, 2014
Measures grow lights or sunlight 3 scales for precise readings Convenient hand-held remote sensor Lifetime silicon cell - includes battery, informative booklet with lighting recommendations and carrying case... — Ships from Seattle, Washington USA...more.
 eco-5552   $183.22 
 Digital Light Meter   HydroFarm   Digital Light Meter 
Digital Light Meter (eco-5549)Digital Light Meter (Footcandles) Digital Light Meter Measures grow lights or sunlightMeasures up to 5000 footcandles3 scales for precise readingsConvenient hand-held remote sensorLifetime silicon cell - includes battery, informative booklet with lighting recommendations and carrying case Digital Light Meter helps the gardener measure grow lig... — Ships from Seattle, Washington USA...more.
 eco-5549   $32.09 
 Hydrofarm Light Meter   HydroFarm   Hydrofarm Light Meter 
Hydrofarm Light Meter (eco-4541)Hydrofarm Light Meter (Footcandles) Hydrofarm Light Meter Photosynthesis & Plant Growth depend on the sun or specially designed lighting systems. But of that light reaching the plant, only specific types of energy (in the lighting spectrum) drive the photosynthesis process. Since light is the most important single factor affecting your... — Ships from Seattle, Washington USA...more.
 eco-4541   $16.39 
 Temperature/Humidity Gauge      Temperature/Humidity Gauge 
12" Temperature/Humidity Gauge Get temperature and humidity levels at a glance -- even from across the room. The Active Air temperature humidity gauge has a familiar clock face with large numbers on a large 12" dial. You'll always be informed of the climate in your growing environment. SKU: HGTHG ... — Ships from Seattle, Washington USA...more.
 eco-2369   $17.10 
 SUCTION CUP Thermometer      SUCTION CUP Thermometer 
SUCTION CUP Thermometer Provide accurate water temperature. Easy to read. Includes suction cup for easy mounting.... — Ships from Livermore, California USA...more.
 dl-997412   $2.21 
 GRO1 Wireless Sensor      GRO1 Wireless Sensor 
GRO1 Wireless Sensor (301015)This sensor pairs exclusively with the Gro1 Wireless Weather Station (part # 301005), displays the temperature and humidity readings, and has a range of up to 165 feet. A maximum of 3 sensors may be paired per station. Manufacturer's Product Information ... — Ships from Livermore, California USA...more.
 dl-301015   $11.83 
 GRO1 Wireless Weather Station + Sensor      GRO1 Wireless Weather Station + Sensor 
GRO1 Wireless Weather Station + Sensor (301005)The Gro1 Wireless Weather Station + Sensor is the perfect system to help keep track of the temperature and humidity in multiple grow rooms or greenhouses. The station comes with 1 sensor, but can pair with up to 3, each with a wireless range of up to 165 feet. Additional sensors may be purchased separately (product #301015). This weath... — Ships from Livermore, California USA...more.
 dl-301005   $19.63 
 GRO1 Weather Station (Non-wireless)      GRO1 Weather Station (Non-wireless) 
GRO1 Weather Station (Non-wireless) (301001)The Gro1 Weather Station is the must-have product for every grow room or greenhouse. This weather station displays the date and time, the electronic weather forecast, temperature, humidity, 12 hour thermometer trend, and the indoor comfort index (dry, wet, comfortable). It also features an Alarm and Snooze function and bright blue LED bac... — Ships from Livermore, California USA...more.
 dl-301001   $11.03 
Displaying 1 to 20 (of 30 products) Result Pages:  1  2  [Next >>] 
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3/4" Grommet Each
The picture shows a TopHat grommet. This is NOT the Product. ..
3 of 5 Stars!
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