Free Shipping

No minimums, no surprises — we ship every order for free! We’ll get your filters out the door fast so you can enjoy clean air and water without paying extra.
1 Year Purchase Guarantee

Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

Learn More
Shipped with Care from Indiana, USA

Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

Free Shipping

No minimums, no surprises — we ship every order for free! We’ll get your filters out the door fast so you can enjoy clean air and water without paying extra.
1 Year Purchase Guarantee

Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

Learn More
Shipped with Care from Indiana, USA

Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

Lennox Filters for PMAC-20C (X0445, X5424)

Showing 1 - 3 of 3 Products

$212.95 / Filter

$266.19 Save 20%!

Ships Free!

$56.95 / Filter

$71.19 Save 20%!

Ships Free!

$126.59 / Filter

$158.24 Save 20%!

Ships Free!

What Our Customers Have to Say

Mike M. 1 day ago

Seems to work fine, fits as listed, and is reasonably priced

Barry H. 1 day ago

High quality product and it was delivered quickly very efficiently.

Thomas 1 day ago

The package part number does not match with part number you are asking me to rate.

CR 1 day ago

After buying a filter at a big box store and it didn't fit, I ordered these from Discount Filters. Fit perfectly!