Hydrofarm Seedling Heat Mat 20" x 20" - 45W

Re-engineered for better performance and greater durability! The new, stronger heating wire, and thicker multi-layer construction offers more uniform heating and the durability to withstand rugged greenhouse environments. Increases success of seedlings and cuttings. Warms root area 10-20øF over ambient temperature to improve germination. Lighting, watering, and planting information printed on mat. Waterproof construction. Has a 6' power cord. The only UL-listed seedling heat mats on the market! 50% thicker construction.