21x21x1 MERV 12 AC Furnace Filters 6 Pack Sea Green Hydro You can count on the

You can count on the secure safety nylon lock system

They are all made with 97% German reflective material

and shield nearby plants during application

The slim form factor allows for greenhouse deployment or high bay indoor installations

Dimensions: 55 inch x 15 inch (With legs) 42 inch x 15 inch

21x21x1 MERV 12 AC Furnace Filters 6 Pack Sea Green Hydro You can count on theNordic Pure MERV 12 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 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different