Vent Filter, Air Vent Filters, MERV 8 Electrostatic Triple Filtration Floor Vent filters -, 4"x12", 90 day filtration. (12)
- ...filter between the grates and the vent. Reinstall the floor vent register with air filter and replace the air deflector..
- ►MADE FROM 100% NON-WOVEN POLYESTER: VERY LITTLE TO ZERO REDUCTION IN AIR FLOW! This series of filter is engineered from 100% non-woven blue and white polyester. Two distinctly different plies of media are utilized, each being more dense than the one preceding it. The progressively dense fiber orientation of each media layer enables the small micron size particles to depth load within the filter. Followed by a Non-toxic Adhesive Stage on the MERV 8 only for the final triple filtration stage.