Home Air Filters

1" Air Filters

1" Air Filters are available in many standard and non standard sizes. Keep in mind that length and width are reversible.

2" Air Filters

Find 2” air filters with standard and non-standard sizes for residential and commercial air filtration at United Filter. Keep in mind that length and width are reversible.

3" Air Filters

4" Air Filters

Find 4” air filters with MERV ratings at United Filter. 4” filters are available in many standard and non-standard sizes. Choose anyone according to your choice and needs.