13x20x1 Exact MERV 8 AC Furnace Filters 6 Pack Nutrients and Supplements Irrigating greenhouses and container plants

Irrigating greenhouses and container plants that benefit from cleaner

gives as much light as an ordinary 150-watt bulb

After an RO system

For exceptional results

a must in every grower's toolbox

13x20x1 Exact MERV 8 AC Furnace Filters 6 Pack Nutrients and Supplements Irrigating greenhouses and container plantsNordic 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