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Honeywell 203373 Prefilter 10 x 19.75

SKU#: 203373
List Price: $65.15 Sale Price: $54.29
Product Description

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.


10 (inches)
19 3/4 (inches)
3/8 (inch)
3 (oz)
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Product Reviews

Add your review of this product Global rating: 5.00 from 13 reviews
Feb 18, 2019
landlord by mark k (grants pass or )

Aug 10, 2018
Electronic system prefilter by Margaret Hill ( Or US)

The prefilter fits perfectly for my model, and they work great.

Jan 27, 2017
Honeywell 203373 Prefilter 10 x 19.75 by Toni Skelton (Salem OR US)

Fits perfectly and is doing its job.

Aug 31, 2016
Honeywell Filters by W. Coon (Gresham Or )

On Time produced the result I needed. Quick shipment and great price. Thanks !!!

Apr 24, 2015
Honeywell filter by Doug Holley (Portland Or US)

This product was exactly what I needed, shipped quicker then expected and was in perfect condition when it arrived! As a matter of fact, the manor in which they packed it, it could have survived a nuclear blast!! Thank you

Dec 23, 2014
Honeywell pre filters by Gray Edwards (Virginia Beach Va )

Received the filters in perfect condition at a great price. Many thanks To!

Jun 8, 2013
prefilter by DL Swab (Tacoma WA US)

The prefilter was correct and the price was good. Thank you

Jul 12, 2012
Prefilter by Ed Donnelly (Seneca SC US)

Part as expected. Fit better than original.

Aug 16, 2011
review by Dick Rooney (EVERETT WA US)

Great service from rep on phone and product came promptly and was exactly what I wanted. Couldn't have asked for more. Also was much less by ordering on line than through local dealer!

Jul 13, 2011
Service by Dick Rooney (Everett WA )

My contact at Honeywell(Addison) found the part number I was looking for quickly and we ordered the parts and they were shipping out the same day! Great service and I would definitely recommend this site for future parts purchases.

Jun 8, 2011
Prefilters by Tony Watkins (Odessa TX US)

The filters fit correctly and are working well.

May 12, 2011
Job well done. by Jeff Burdette (Frederick Ma US)

Product was shipped quickly. It took about a week for the whole transaction. The prefilters fit perfectly and seemed to be better built than the original ones that came with the unit.

Apr 26, 2011
203373 prefilter by Claudia Bason (Milford De US)

Excellent customer service, they should all be like you. Very satisfied with product and helpfulness I received. Thank you for all your help truly helpful.


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