Check the listing for details. Hydrofarm Heat Mat 10" x 20" 17W for 1 Flat - Clone Seed Germination 9" x 19.5". Condition: Open box. Listed at 30.99 USD. --> Brand New! Hydrofarm Seedling Heat Mat 10" x 20" About the product 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. Features Increases success of seedlings and cuttings Warms root area 10-20╦أF 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 What's in the Package Additional Images - Hydrofarm Seedling Heat Mat 10" x 20" FIVE-STAR SATISFACTION GUARANTEED --> Our company has a reputation for delivering excellent service, ensuring buyers' privacy, and delivering quality products at reasonable, competitive prices. We strive to earn a 5-star rating from every transaction. If you are satisfied with the product and service you receive, please take a moment to leave us positive seller feedback. In turn, we will also provide 5-star buyer feedback when your order leaves our facility. If by chance there was something unsatisfactory about your experience, please contact us, and we'll do what's necessary to remedy the problem and ensure 100% satisfaction! TERMS, CONDITIONS, WARRANTIES & POLICIES ABOUT THE HYDRO STORE