PinCoup PinCoup
21x21x1 Aerostar Air Filter at factorydirectfilters.com

21x21x1 Aerostar Air Filter

$126.99 $200.4 -36%

at factorydirectfilters.com

Last checked 7 hours ago

Save

Get this deal

Download image

Square 21x21x1 returns are uncommon enough that you've probably struggled to find this size at a hardware store. This Aerostar measures 20 7/8" x 20 7/8" x 3/4" actual, sized for a nominal 21x21x1 slot. Pleated synthetic media construction with an electrostatic charge built into the fibers. MERV 8 handles standard household dust and pollen. MERV 11 captures pet dander, smoke residue, and most common allergens. MERV 13 takes care of fine particulates including bacteria, virus-sized aerosols, and wildfire smoke. The pleats provide substantially more surface area than a flat fiberglass filter would offer at the same nominal size, which is what extends the service life to 60 to 90 days under typical residential conditions. The electrostatic charge improves capture of sub-micron particles - the size range where mechanical filtration runs out of options. Manufactured in the USA by Con-Air Indu...

0 comments

0/1000

You will be asked to log in when you post. Nothing you typed is lost.

No comments yet. Be the first.

More like this

How to Save Money and Cope With a Small Income or Living On Welfare at Rakuten Kobo -90%

How to Save Money and Cope With a Small Income or Living On Welfare

$6.99 $70

Rakuten Kobo