Product Description

Honeywell 203373 Prefilter. Replacement prefilter to fit certain Honeywell electronic air cleaners. Note that some models require 2 prefilters and they are sold singularly. Aluminum mesh prefilter is roughly 3/8 thick. 10 x 19.75. Measure your existing prefilter to verify this is the proper part number if you own an older model air cleaner.