AC Infinity SUNCORE S3, Seedling Heat Mat with Heat Controller, IP-67 Waterproof, 10" x 20.75" PPE It uses no electricity at

It uses no electricity at all—no air pumps or water pumps needed

the MagDoor substitutes conventional shutter or damper systems and ensures completely unrestricted airflow and unsurpassed efficiency

Add a reservoir

12 hour REI (restricted entry interval)

Humidity: 5% to 90% RH

AC Infinity SUNCORE S3, Seedling Heat Mat with Heat Controller, IP-67 Waterproof, 10" x 20.75" PPE It uses no electricity atDescription Heating Mat for Seed Starting and Germination: Designed to enhance the success of seed starting and germination, this heating mat employs innovative far infrared film for faster warming and more even heat distribution. An adjustable dial facilitates the control of heat output over time, eliminating the growth disruptive need to repeatedly turn the mat on and off. Durable and Easy to clean Construction: Crafted with a four layered IP 67