furnace filter 20x20x4

20" x 20" x 4-3/8", Residential Air Cleaner Furnace Filter, Cartridge.

2-Pack Original Honeywell MERV 10 Factory Replacement Filter (new more efficient filter replaces previous merv 8 rated filter) 20" X 12 1/2" X 4-3/8" Fits Honeywell ...

We manufacture and sell a full line of replacement and custom-sized high performance high quality pleated filters for residential and commercial heating and air conditioning ...

Designed for professionals on the go, this totally portable projector makes an excellent travelling companion.