FREE SHIPPING ON ALL ORDERS OVER $500 (except Freeze Dryers)

WOOCS v.1.3.8
  • Contact Us
USD, $
  • USD, $
  • CAD, $
WOOCS v.1.3.8
GreenLightsDirect
Login / Register
Sign inCreate an Account

Lost your password?
Wishlist
0 items / $ 0.00 USD
Menu
GreenLightsDirect GreenLightsDirect
0 items / $ 0.00 USD
  • Commercial Solutions
  • Grow Kits
  • Grow Lights
    • Light Bundles
    • Light Controllers
    • LED
    • High Pressure Sodium (HPS)
    • Metal Halide (MH)
    • HPS + MH Dual
    • Ceramic Metal Hallide (CMH)
    • Compact Fluorescent (CFL)
    • Fluorescent
  • Grow Light Reflectors & Hoods
    • Light Hoods & Lighting Systems
    • Light Reflectors
  • Freeze Dryers
  • Fans & Filters
    • Inline Fans
    • Filters
  • Grow Accessories
    • Ballasts
    • Controllers
    • Environmental Controls
      • Dehumidifiers
    • Germination Kits
    • Grow Accessories
    • Grow Tents
      • Tents
      • Extension Kits
    • Harvest Accessories
    • Lighting Accessories
    • Meters & Solutions
    • Pots & Containers
    • Tent Accessories
    • Ventilation
Home Fans & Filters Inline Fans Active Air Hygro-Thermometer
Active Air 16" Wall Mount Fan
Active Air 16" Wall Mount Fan $ 42.00 USD
Back to products
Vortex 8" Powerfan
Vortex 8" Powerfan, 739 CFM $ 228.00 USD
Active Air HygroTthermometer
Click to enlarge
Active Air

Active Air Hygro-Thermometer

$ 21.95 USD

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-mount it for hands-free hanging readings.

Add to wishlist
Share:
SKU: HGIOHTJ Categories: Controllers, Fans & Filters, Grow Accessories, Inline Fans
  • Description
  • Additional information
  • Shipping & Delivery
Description

Description

  • Current temperature and humidity reading with simultaneous display of Max and Min memory
  • Auto-switch display between indoor and outdoor temperature reading
  • Continuous indoor relative humidity and temperature display
  • 3-meter temperature sensor for convenient placement
  • Jumbo screen display
Additional information

Additional information

Shipping Weight 0.3 lbs
Package Dimensions 9 × 5 × 1.3 in
Brand

Active Air

Shipping & Delivery

Related products

Trellis Netting
6'x82'

Trellis Netting, 6’x82′, 6″ Mesh

$ 23.99 USD
Heavy-duty, durable trellis netting features 6" reach-through mesh that allows the trellis to handle more weight, remain tight, and provide strong support for growing crops. Features
  • 6" Mesh
  • 6' wide x 82' long
  • Made from high-density polyethylene
  • Reduces damage from ground-rot, insects, rodents, and garden pests
  • Produces bigger, healthier, and earlier harvests
  • Increases harvest from small garden spaces and keeps produce clean
  • Ideal for tomatoes, beans, grapes, clematis, sweet peas, and other vining plants
Add to wishlist
Add to cart
Quick view
Quantum Par Meter

Quantum Par Meter

$ 164.95 USD
Fully portable handheld PAR meter features our highly accurate, integrated Quantum Sensor that measures PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700 nm. It measures up to 10,000 umol compared with 2,000 umol for other meters on the market.
  • Data logging capability using standard mini-USB cable and proprietary data logging software available at hydrofarm.com
  • Low power consumption with built-in low battery power indication
  • Constant linear response curve (as opposed to other meters Gaussian response) yields higher accuracy independent of wavelength perfect for measuring LED light output
  • Automatic sun or electric light calibration modes ensure accurate readings no matter the source
Add to wishlist
Add to cart
Quick view
Kenex Table Top and Counter Scale
3000 G Capacity X 0.1 G Accuracy

Kenex Table Top and Counter Scale, 3000 G Capacity X 0.1 G Accuracy

$ 39.99 USD
The Kenex Table Top & Counter Scale accommodates large capacities which makes it perfect for the kitchen. Kenex has included a large 2-liter bowl with spout so that liquids can be poured with minimal mess.
  • Color: Black
  • 3000 g capacity x 0.1 g accuracy
  • 2 L weighing bowl included
  • Overload protection
  • 2 weighing modes: g/oz
  • Includes: 2 L weighing bowl & 2 x AA batteries
Add to wishlist
Add to cart
Quick view
Clear Saucer

Clear Saucer, 14″

$ 1.90 USD
These sturdy and reusable clear vinyl saucers come in various sizes to match most pots. Use saucers to collect excess water drainage as well as keep plants moist longer and maintain a clean garden.
Add to wishlist
Add to cart
Quick view
Clear Saucer

Clear Saucer, 12″

$ 1.60 USD
These sturdy and reusable clear vinyl saucers come in various sizes to match most pots. Use saucers to collect excess water drainage as well as keep plants moist longer and maintain a clean garden.
Add to wishlist
Add to cart
Quick view
Jump Start 24-Cell Macro Plug Mini Germination Station

Jump Start 24-Cell Macro Plug Mini Germination Station

$ 24.95 USD
The vented dome helps to maintain the right amount of humidity and ensure healthy germination success. The compact size of the station allows anyone with limited space to start a garden. Refills of Grow Plugs and Macroplugs are available for purchase separately. Includes:
  • 2" vented dome
  • 24-cell seedling insert
  • Waterproof tray
  • Rockwool Macroplugs
  • Rooting additive
Add to wishlist
Add to cart
Quick view
Heavy Duty Light Riser

Heavy Duty Light Riser Hangers, Pack of 2

$ 17.99 USD
The Light Riser Hanging System enables you to hang reflectors, filters or other equipment easily. Simply secure one of the quick release carabiner clips to a firm location, attach the other clip to the object you want to hang, and then pull the cord until the desired height is reached. It's as simple as that.
  • Holds up to 150 lbs (75 lbs per ratchet)
  • Quick release switches let you loosen the rope and re-adjust to the height required
  • Locking system secures your object in place
  • Durable construction will never break, slip, or rust
  • Includes 4 quick release carabiner clips and 8 feet of tough braided polypropylene rope (1/8" diameter)
Add to wishlist
Add to cart
Quick view
Autopilot Cooling Thermostat

Autopilot Cooling Thermostat

$ 39.99 USD
  • Easy to use analog control
  • Maintains desired room temperature
  • Controls air conditioner or exhaust fan
  • Temperature control range: 40 - 95F
  • Digital display shows current room temperature
Add to wishlist
Add to cart
Quick view

Brands We Carry

Our products are manufactured by the most reputable brands and are specifically chosen for growers seeking the highest yields.

View Brands
Our Products
  • Commercial Growing Solutions
  • Grow Lights
  • Pro Grow Kits
  • Freeze Dryers
Our Company
  • Brands We Carry
  • Bulk Discounts
  • About Us
  • Contact Us
Account
  • My Account
  • Cart
  • Checkout
Policies
  • Shipping & Delivery
  • Returns & Refunds
  • Privacy Policy
  • Terms and Conditions
2021 GreenLightsDirect. All rights reserved. Disclaimer
  • Menu
  • Categories
Set your categories menu in Theme Settings -> Header -> Menu -> Mobile menu (categories)
  • Commercial Solutions
  • Pro Grow Kits
  • Grow Lights
    • Light Bundles
    • Light Controllers
    • LED
    • High Pressure Sodium (HPS)
    • Metal Halide (MH)
    • HPS + MH Dual
    • Ceramic Metal Hallide (CMH)
    • Fluorescent
    • Compact Fluorescent (CFL)
  • Grow Light Reflectors & Hoods
    • Light Reflectors
    • Light Hoods & Lighting Systems
  • Freeze Dryers
  • Fans & Filters
    • Inline Fans
    • Filters
  • Grow Accessories
    • Controllers
    • Environmental Controls
      • Dehumidifiers
    • Germination Kits
    • Grow Accessories
    • Grow Tents
      • Grow Tent
      • Extension Kits
    • Harvest Accessories
    • Light Ballasts
    • Lighting Accessories
    • Meters & Solutions
    • Pots & Containers
    • Tent Accessories
    • Ventilation
  • Wishlist
  • Login / Register
  • Contact Us
Shopping cart
close
Active Air HygroTthermometer

Active Air Hygro-Thermometer

$ 21.95 USD
Add to wishlist