Super Sprouter® Seedling Heat Mat Size:10 x 21 in. (1 tray) 20 W Durable 3mil Overwintering Film protects

Durable 3mil Overwintering Film protects your plants just like a greenhouse

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The shade is designed especially for internal use to be spread permanently as a ceiling beneath greenhouse roofs

Handcrafted Craftsmanship: Made from durable

Super Sprouter® Seedling Heat Mat Size:10 x 21 in. (1 tray) 20 W Durable 3mil Overwintering Film protectsThe Super Sprouter Seedling Heat Mats warm the rooting area by approximately 10 20F above ambient temperature, enhancing the germination process. They provide more consistent heating with fewer hot spots compared to other seedling heat mats on the market. Each mat is large enough for a 10 in. x 20 in. tray and includes a 5 foot power cord. The heavy duty construction ensures these mats are very durable. 10 x 21 Mat: Perfect for one standard 1020