24x24x1 Pure Carbon Pleated Odor Reduction Furnace Air Filters 6 Pack Grow Light Ballasts Perlite - horticultural grade

Perlite - horticultural grade

It contains a coarse coir fiber mat on the bottom of the block to allow for free drainage and to keep coir fiber particles from draining out of the bag

green sand

Maintenance

24x24x1 Pure Carbon Pleated Odor Reduction Furnace Air Filters 6 Pack Grow Light Ballasts Perlite - horticultural gradePure Carbon Pleated Odor Reduction AC furnace air filters by Nordic Pure are made with a durable non woven polyester base media infused with naturally derived charcoal and coconut shells, created to eliminate odors in your office or home. Whats special about carbon? While traditional electrostatic air filters capture airborne particles, activated carbon furnace filters absorb odors on a molecular level. This means harmful vapors and strong odors are