12x20x4 Filters

What Our Customers Have to Say

CR 1 day ago
5
After buying a filter at a big box store and it didn't fit, I ordered these from Discount Filters. Fit perfectly!
Earl F. 1 day ago
5
None comment
David H. 2 days ago
5
Very good quality filter.
Jean T. 2 days ago
5
Great product, prompt service. Everything is just fine. I was kind of surprise at the price increase compared to my last year order. Thank you