Seedling Heat Mat 480 is designed to work with any 25 x 50 cm (10″ x 20″) seed starting tray. Supplies bottom heat to give a “jump start” for all your seed starting. Creates a warm growing medium environment to improve seed germination and encourage faster growth. Specifically designed to raise rooting area temperature to approximately 23°C (74°F).
Place mat under the tray (not in it) and plug in a wall outlet, out of reach of children.
UL approved, 17 watt, 120 volt.