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Hydrofarm
$23.99
at Kmart

Active Air's indoor-outdoor thermometer gives you more Active Air's indoor-outdoor thermometer gives you more. Made of sturdy mate...rials to stand up to any kind of weather Mother Nature might throw your way, as well as the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A second, remote probe allows you to sample two temperatures at once and record the high and low points for both temperature and humidity. Added on September 29, 2013 read more

Hydrofarm
$34.99 $44.99
at Hayneedle

Large number LCD display is visible from a distance Measures both humidity and temperature Front switches to switch between indoor.../outdoor setting Self standing or mounts on the wall Weighs 0.3 lbs. Overall dimensions: 9L x 5W x 1.3H in. Whats Included ThermometerDescription About Hydrofarm, Inc. Celebrated as the nations oldest and largest manufacturer of hydroponic equipment and grow lights, Hydrofarm has made professional-grade equipment available to all since 1977. All grow lights and electric components are UL listed, unlike many competitor products, meaning you get years of reliable and safe use out your high-intensity lights. All products are covered by a one year warranty, at the least. In some cases Hydrofarm ensures the performance of their products for five years. read more

Hydrofarm
$24.90 $29.00
at Wayfair

Features: Hygro-thermometer Large number LCD display is visible from a distance Very accurate and hangs or mounts on a wall surfac...e Dimensions: Overall Product Weight: 0.25 Pounds read more

Hydrofarm
$27.77
at Amazon

Active air indoor outdoor thermometer with hygrometer is the large display shows current temperature and humidity levels and inclu...des a remote probe for second zone temperature. Records high and low points for both temperature and humidity. Measures 8.8-inch length by 3.8-inch width by 0.7-inch height read more

Hydrofarm
$21.70 $27.77
at Wayfair

Features: Thermometer with hygrometer Large display shows current temperature and humidity levels Records high and low points for ...both temperature and humidity Suitable for indoor and outdoor Includes a remote probe for second zone temperature Show Additional Info Dimensions: Overall Product Weight: 1 Pounds read more

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