12x22x1 Exact MERV 10 AC Furnace Filters 6 Pack PPE *A control unit and reservoir

*A control unit and reservoir (sold separately) are required to use this expansion pack

Introducing the world's first HPS lens filter

works with most fixtures

Plenty of industrial cleaners use harmful chemicals

Consider Botanigard WP or Mycotrol WPO (Organic) on tomatoes

12x22x1 Exact MERV 10 AC Furnace Filters 6 Pack PPE *A control unit and reservoirNordic Pure MERV 10 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, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies