Pad Refills (Pack of 6 Pads) - 19" x 25" x 3/4" Quantity:Default Finally they are factory made

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

with each stage capturing progressively smaller particles inside the filter

from the air stream

the more efficient a filter is at removing particles

if not you can measure it or check the HVAC unit and the owner‰۪s manual

Pad Refills (Pack of 6 Pads) - 19" x 25" x 3/4" Quantity:Default Finally they are factory madePACK of 6 pads for Pad and Frame Air Filters Filtering inserts are anti microbial and are more efficient in capturing particles, such as dust, ragweed, pollen, etc., from the air stream, than standard fiberglass filters purchased at retail outlets. Filtering inserts are shipped in an easily stored packet.