16x21_1/2x1 Exact MERV 7 AC Furnace Filters 6 Pack vacuum and flat screw heads

and flat screw heads

Storm flap over zipper with pressure sensitive tape adds an extra layer of protection

1 x Flora Tube 1/4" OD | 100'

Dimming power supply included

Synthetic chelates can raise the salt-index in a biochemical system

16x21_1/2x1 Exact MERV 7 AC Furnace Filters 6 Pack vacuum and flat screw headsNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters