Seedling Heat Mat 20 inch x 20 inch ~ 45W Ona It needs about 3 square

It needs about 3 square feet of net attic venting and fits standard framing

convert organic residues to plant available substances and naturally release beneficial growth cofactors

Assembly is simple

One-Year Limited Warranty

The 25-pack outfits a full bench

Seedling Heat Mat 20 inch x 20 inch ~ 45W Ona It needs about 3 squareRe engineered for better performance and greater durability! The new, stronger heating wire, and thicker multi layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments. Increases success of seedlings and cuttings Warms root area 10 20F over ambient temperature to improve germination Light, watering and planting information on mat Waterproof construction 6 foot power cord The only UL Listed seedling