Pad Refills (Pack of 6 Pads) - 17 1/2" x 19 1/2" x 1" Quantity:Default Either way

Either way

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

They are easy to install with custom air filters made to the sizes that you specify

the A+2000 uses no foam that may clog

To find the size the old unit should have sizing information printed on it

Pad Refills (Pack of 6 Pads) - 17 1/2" x 19 1/2" x 1" Quantity:Default Either wayPACK 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.