AC Infinity - Seedling Heat MatsSeedling Heat Mats A warming seedling mat designed to improve germination success and accelerate your seeds growth process by emitting precision heating. The seedling mats steady 32 122F (0 50C) temperature range heats the rooting area by up to 20F above the ambient air temperature. The mat uses a durable quad layer PVC that is resistant to wear and tear and is easy to clean and roll for storage. Achieving an IP 67 rating, the heating mat is sealed