Super Sprouter Seedling Heat Mats Size:Single Tray 10" x 21" Will meet the requirements of

Will meet the requirements of pumps with air dividers from four to twenty-two outlets

ergonomic design

no matter the light or cultivation location

Features a convenient cord wrap

It is a dry

Super Sprouter Seedling Heat Mats Size:Single Tray 10" x 21" Will meet the requirements ofWarms root area approximately 1020 F over ambient temperature to improve germination process. Helps gardeners have better success rates with seedlings and cuttings. Perfect for one standard 10 in x 20 in propagation tray. Heavy duty construction makes this mat very durable. More than 20% larger than competitive mats. This allows even warming of your entire tray. More consistent heating with fewer hot spots than other seedling heat mats. Ed Hume seal