Pad Refills (Pack of 6 Pads) - 15 5/8" x 29 3/4" x 1" Quantity:Default the "A+2000" brand Permanent Washable

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

PACK of 6 pads for Pad and Frame Air Filters

This is designed to fit into 1" Return Air Grilles

In general

with each stage capturing progressively smaller particles inside the filter

Pad Refills (Pack of 6 Pads) - 15 5/8" x 29 3/4" x 1" Quantity:Default the "A+2000" brand Permanent WashablePACK 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.