Pad Refills (Pack of 6 Pads) - 18" x 18" x 2" Quantity:Default Filtering inserts are anti-microbial and

Filtering inserts are anti-microbial and are more efficient in capturing particles

28X Increased Efficiency

This is designed to fit into 1" Return Air Grilles

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

Pad Refills (Pack of 6 Pads) - 18" x 18" x 2" Quantity:Default Filtering inserts are anti-microbial andPACK 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.