Grower's Edge Large Display Thermometer / Hygrometer Planting Cloning & Seed Starting Disc Filter technology has grooves

Disc Filter technology has grooves in the disc rings that crisscross to form a network that traps debris between and on the outside of the discs

with an extended flange and drainage gutters

Additional 100 ft roll of tubing is also available

20 ml single-use Bluelab Solution Sachets

Grower's Edge Large Display Thermometer / Hygrometer Planting Cloning & Seed Starting Disc Filter technology has groovesMeasures indoor outdoor temperature & indoor humidity. Stores the Min. Max. values of the indoor outdoor temperature and indoor humidity. Switch between C and F. Clock function with 12 24 hour time format. Waterproof temperature probe. Comes with 1 AAA alkaline battery.