Pad Refills (Pack of 6 Pads) - 19" x 25" x 3/4" Quantity:Default Filtering inserts are shipped in

Filtering inserts are shipped in an easily stored packet

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

from the air stream

Instead of face loading (particles captured on the outer surface of the filter)

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

Pad Refills (Pack of 6 Pads) - 19" x 25" x 3/4" Quantity:Default Filtering inserts are shipped inPACK 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.