HydroFarm Heat Mat 20" x 20" Can-Filter increased air porosity and lower

increased air porosity and lower water retention

5-inch pelletized virgin activated carbon bed for long-lasting

HF compatibility – works with High Frequency Electronic T5HO Ballasts

and supports robust plant development in every stage of growth

commonly used in indoor grow tents to strengthen plant stems and improve airflow

HydroFarm Heat Mat 20" x 20" Can-Filter increased air porosity and lowerThis heating mat is designed to help give seedlings a kick start in the rooting process. The strong heating wire and thick multi layer construction offers more uniform heating and the durability to withstand rugged greenhouse environments. This waterproof mat is the only UL listed seedling heat mat on the market and increases the success of seedlings and cuttings. Warms root area 10 20 degrees over ambient temperature to improve germination. Give your