Top Grower Seedling Heat Mat 10 x 20.5

Top Grower Seedling Heat Mat 10 x 20.5 fits the standard size seedling tray (flat).  Heat mats warms the root area 10 to 20 degrees over ambient temperature helping to activate the seedling and spur root growth.  Using a heat mat ensures better success in seedlings and cutting (clones).  Heat mat is waterproof and easy to clean.