iPower GLHTMTCTRLHTMTXS 3" x 2-" Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black Beneficials | Enzymes | Microbes | Bacterias HGC741668 is for TallBoy systems

HGC741668 is for TallBoy systems (20 in x 2

Hydro-Logic® Chlorashield membranes remove 100% of chloramine and are great for city water

02 mpa) and delivers a large amount of air to the six adjustable valve outlets

air is forced out of the Air Bleed Valve

iPower GLHTMTCTRLHTMTXS 3" x 2-" Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black Beneficials | Enzymes | Microbes | Bacterias HGC741668 is for TallBoy systems1. Offers more uniform heating. 2. Gently warms root area to improve germination. Increases success of seedlings and cuttings. 3. Warms root area 10 20? F over ambient temperature to improve germination. 4. Provides constant temperature to improve vegetable, plant, herb, and flower seed germination. 5. Waterproof design allows for you to scrub and easier cleaning. 6. Durable, internal insulated wiring for enhanced safety. 7. Heavy duty multi layer