The MT10006 Hydrofarm Seedling Heat Mat is 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. Plus the Hydrofarm MT10006 Seedling Heat Mat is UL Listed and is 50% thicker. The MT10006 Hydrofarm Seedling Heat Mat has uniform heat an increases the success of seedlings and cuttings warms the root area 10-20°F over ambient temperature to improve germination and has lighting watering and planting information printed on mat. The waterproof construction means you don t have to worry about splashing when watering your plants with the rugged and durable waterproof connectors. Includes a 6-foot power cord.