Medium Size 20" x 20" Hydrofarm Seedling Heat Mat 20 in x 20 in 45W good for two trays

Seedling Heat Mat 20" x 20" ~ 45 W
Re-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 10-20˚F over ambient temperature to improve germination

• Light, watering and planting information on mat

• Waterproof construction

• 6 foot power cord

• The only UL Listed seedling heat mats on the market!

• 50% thicker construction