SUNCORE A5, Seedling Heat Mat, IP-67 Waterproof, 20" x 20.75" Pots and Containers Driver Efficiency at Full Power:

Driver Efficiency at Full Power: 95-96%

Inside Dimensions: 16" x 40" x 4

560 ounces per gallon]

which will not disturb photoperiod

SUNCORE A5, Seedling Heat Mat, IP-67 Waterproof, 20" x 20.75" Pots and Containers Driver Efficiency at Full Power:A heating mat designed to accelerate and improve the success of seed starting and germination. Features an innovative far infrared film that warms up faster, and distributes soft heat more evenly. Crafted with IP 67 quad layer PVC thats flexible, resistant to wear and tear, and easy to wipe clean. Verifiable UL (E518635) & MET (E115128) certifications for electrical safety thru online directories. 20 x 20. 75 in. 80 87F Heating Range Warms up to 20F