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Keep your indoor air fresher with these Air Filter Factory carbon pre-filter pads.
You get a 3-pack of 12-inch by 16-inch charcoal filters.

They're frameless pads, each about 1/4 inch thick, designed to sit in your HVAC furnace registers or vents.
The activated carbon technology helps absorb odors and impurities.

They're rated MERV 3 and are perfect for use in your air conditioner or furnace.
Just replace them every 6 months for best results.

Made right here in the United States.

These are brand new, still in the original packaging.
Part number RP1811.
Breathe easier at home with these simple drop-in filter pads.
4.5 out of 5