Super Sprouter® Seedling Heat Mat Size:10 x 21 in. (1 tray) 20 W When exhaust fans are not

When exhaust fans are not enough

pH and/or solution flow is out of range

Cold Frames are non-rated structures and not recommended for high wind or snow areas

Used with poly roof and rigid end walls

Super Sprouter® Seedling Heat Mat Size:10 x 21 in. (1 tray) 20 W When exhaust fans are notThe 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