10x15x1 MERV 8 AC Furnace Filters 12 Pack special-order Weight (lbs): 1

Weight (lbs): 1

• Key role in movement of sugar or energy into growing parts of your plants

Outer Dimensions: 1/4''

we recommend adding 20% perlite to this mix

Optional 1:1 ratio flow restrictor saves 50% more waste water

10x15x1 MERV 8 AC Furnace Filters 12 Pack special-order Weight (lbs): 1Nordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters