Top Grower Seedling Heat Mat 48" x 20.7"

Top Grower Seedling Heat Mat 48" x 20.7" fits four standard size seedling trays (flats).  Heat mats warm 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.