Seedling Heat Mat 20 inch x 20 inch ~ 45W Humic Acid That means Mylar or foil

That means Mylar or foil laminate

Contents include: (2) Upright Supports

Water feeds in from 1/2 in line and spreads around the ring to clear the dry pockets a single emitter leaves

so it is important to adjust accordingly

Seedling Heat Mat 20 inch x 20 inch ~ 45W Humic Acid That means Mylar or foilRe 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