This filter set, sometimes referred to as Model 21HC4, fits all Size 21 filter bays, but is specifically sold for: FresHome P300 #115115, Winix Size 21, MSRP $79.99, PlasmaWave 5300 #115115, Winix Size 21, MSRP $79.99, PlasmaWave 6300 #115115, Winix Size 21, MSRP $79.99. Promotions, new products and sales.
A user experiment, reputable but not personally verified by me, suggests a successful match of Fellowes HF-230 HEPA and Winix Size 17 chassis. FresHome P150 uses Winix #113050, Size 17, HEPA and 4 prefilters, MSRP $59.99. HEPA Filter Dimensions: approximately 16.42" x 12.68" x 0.98". Buyers are responsible to check with their Manufacturer's Warranty prior to purchase or use of our Filters.
Amazon.com has this for $100-$119, with frequent fluctuations. Winix 115115 Size 21 True HEPA Plus 4 Prefilters at Amazon.com. I guess I need to add "NOT recommended.". But now Winix identifies filters by model series names: FresHome, PlasmaWave, Signature, and Ultimate Pet. User reviews say this filter begins to deteriorate after a couple washes. This HEPA filter measures 12 5/8 inches wide, by 16 3/8 inches tall by 1 1/4 inches deep, just a bit too big to squeeze into cassette trays. fitting into a depression and lip of the HEPA, in the front ("prefilter"). for each HEPA (smokers, pets, etc.) Use of this site is subject to certain Terms Of Use. Signature U300 uses #114190, Size 21, Long Life Washable True-HEPA Filter, MSRP $119.99. The Size 25 value replacement filter set fits FresHome P450, and can be used Any Brand Names and their designated Model numbers are used here solely for the purpose of showing compatibility only. Directly to your inbox. Users of other Size 21 models (5300, 5500, 6300, 5000, 9000, 9500, and P300) can install this Ultimate filter system as an upgrade. I recently ordered the Fellowes filter, which ships WITHOUT the 4 prefilters, and installed it in my Winix 5300. Winix owners can browse the current price at amazon; Winix #114190, Size 21 Ultimate Washable Filter Cassette Again, there are NO individual replacement filters available for the Ultimate packages. The amazon vendor is Sylvane.com, a highly-reputable allergy store. at Amazon.com. One consumer review admitted to installing all 4 prefilters at the same time (a year's supply when changed out every 90 days, yes, they will fit). Natural-Breeze is not affiliated nor associated with these Brand Name. Ultimate Cassette systems fill it with a plastic frame ("filter cassette"), add a lot more carbon, some additional antimicrobial Fellowes HF-300 HEPA, for a re-branded Winix purifier (AP-300), (Fellowes filter part number 9370101), is exactly the same as Winix size 21 HEPA, part number 115115. That's right just the TRUE HEPA Filter! at Amazon.com. Each of three chassis/bay sizes, Size 17, Size 21, and Size 25, are offered as economy models and separately can buy the #115119, Size 21, carbon filter 4-pack. FresHome Series and PlasmaWave models use value filter trains, a HEPA with a single prefilter. Products shown as available are normally stocked but inventory levels cannot be guaranteed, For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts), True HEPA designed to capture 99.97% of airborne pollutants, Features a washable carbon filter for 12 months of filtration. Winix value filters, photo left below, are sold as bundles of one HEPA and four antimicrobial prefilters, forcing users who may not have odor issues to buy prefilters. 
Natural-Breeze TRUE HEPA Replacement Filter for Winix 5500-2. Cross-fit filter applications are common, see "Fellowes" below. screen prefilter. The 115115 Size 21 package has one true-HEPA with 4 odor prefilters, and sells at Amazon for $40 to $50. 
Now you can save by just purchasing the replacement you need. Ultimate Cassette systems, photo at right, will NOT accept value filters without removal of the cassette. The primary difference is the filter trains. Replacement for :Part #116130 HEPA Filter All of our filters are stored in a TEMPERATURE CONTROLLED SMOKE FREE ENVIRONMENT. If you are not satisfied with the filter, return it within 30 days for a refund of the purchase price, no question asked! Of course, value system owners could theoretically upgrade to $120 cassette systems for their $200 air cleaner, maybe a few do. the (Winix and Fellowes) filters are indistinguishable from each other.". Winix standard-sized chassis and filter bays were sold, with different front covers, as Kenmore, Electrolux, and now Fellowes air purifiers. and its $50 higher price tag. Carbon Pre-Filter is sold separately. While Winix has stopped using the 6-digit part numbers, they are still used by many vendors. Buyers are responsible to check with their Manufacturer's Warranty prior to purchase or use of our Filters. Replacement TRUE HEPA Filter H Compatible with Winix 5500-2 Air Purifier Part #116130 HEPA Filter Only. PlasmaWave 5500, and other Size 21 users who need more that four prefilters 
The Fellowes version cannot be distinguished from the Winix #115115 HEPA, and tested well with my laser counter. TRUE HEPA, 99.97%, 0.3 micron particle filter replacement. Winix smoothed entry into the US market with a series of re-branded marketing deals. PlasmaWave 5500 owners could install the standard Size 21 value package, #115115 (above), dropping the washable HEPA experiment Ultimate Cassette systems just slide in to replace the old tray, but value set-ups MUST have the HEPA in back with one prefilter treatment (not recommended here), and a permanent washable fiberglass prefilter screen. testing has demonstrated very good particulate removal using their value filter train (with tape-sealed HEPA edges and additional prefilter material added). Why replace a Washable Carbon Filter if there is no need to?
114290 is also a complete one-decision annual filter package. Buyer pays for Return Shipping. "I have both the Winix P-150 air purifier and the Fellowes HF-230 replacement air filter with me and they are a perfect fit: 
To remain competitive on price, Winix wisely cuts features (as opposed to cutting quality), and evolved a Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. 1 (ONE) TRUE HEPA filter removes 99.97% of airborne contaminants. This filter set, sometimes referred to as "17HC4," goes for around $60 at amazon.com; Winix Size 17 Replacement Filter Set #113050 at Amazon.com. Removes 99.97% airborne particles, dust, odor, smoke, pet dander, and fabric fibers from the air that passes through the filter. This is the "washable" HEPA, something I said would never work, part of the "permanent HEPA" marketing fad of a few years back. Local store prices may vary from those displayed. buyer reviews express frustration and misunderstanding concerning replacement filters. Within the last few years, Winix made a few minor changes, tabs and indentations, to the Ultimate Cassettes and changed the color from gray to black. The "Fellowes" version (HEPA filter only) goes for $25 to $30 at amazon: Fellowes HF-300 True HEPA Filter at Amazon.com. End Buyer's Guide to Winix Air Purifier Replacement Filters go to Home Page. The washable HEPA filter is available for about $80 at amazon; Winix 115122 Size 21 Washable HEPA at Amazon.com. Winix 119010, Size 17, Ultimate Replacement Filter American consumers, their instructions tend to be cryptic. dual feature strategy for the product line. Four-packs of prefilters are available, but are unfavorably priced. I find the nearly-empty filter bays of the Winix value models ideal for experimenting This is an aftermarket replacement Filter. Korean air purifier maker Winix has prospered in the US market by offering good value and Some air purifier lines don't really need a filter buyer's guide, but I wouldn't say that about Winix, where numerous Compatible with: Winix Air Purifier 5500-2. If you are already a seasoned Winix user, you can skip through the text by scanning for your Also fits Winix air cleaner models 9000, 9500 (must scrap cassette tray), 5000 (remove cassette), 5500, 5000B, and Electrolux EL491A. the screen prefilter and cassette tray, and accepting the reduced odor capacity of the value package prefilters. Need Help? to downgrade the Winix Signature U450 to a value filter train by discarding the cassette tray and permanent and a six-digit part number ("115115") which identified the specific filter. NEW Reinforced design to properly space pleats and allow for maximum air flow. Natural-Breeze is not affiliated nor associated with these Brand Name.
Many users are installing the prefilter in back. Some user reviews say they have attempted to cut down the value HEPA to fit the tray, a huge NO-NO! superior quality relative to Chinese competitors. 114190 is a full cassette with added antimicrobial treatments, extra carbon with zeolite, and a washable permanent prefilter. This is a Natural-Breeze Filter and NOT an OEM product. Economy two-filter setups, which I will refer to as "value" packages, leave substantial empty space in the filter bay, while Amazon sells the Fellowes HF-230 (HEPA only) for around $27; Fellowes HF-230 True HEPA Filter at Amazon.com. Winix #113250, Size 25, Replacement Filter Set DISCLAIMER :This is a Natural-Breeze Filter and NOT an OEM product. with performance enhancing/money-saving extra prefilter combos. highlighted Winix model number. 2000-2022 Home Depot. Very expensive Ultimate replacement filters, and pricey value filters, tarnish the economy image, with many filter buyers searching for alternatives. Numerous users have tried to force the slightly larger value HEPA into the Ultimate Cassette frame, The issue for me is the substantial price differential Winix charges for the Ultimate packages, when laser particle counter This filter system is intended to be replaced annually as a unit. Any Brand Names and their designated Model numbers are used here solely for the purpose of showing compatibility only. Downgrades are permissible, but Ultimate Cassette users can NOT substitute the cheaper filters without discarding All Rights Reserved. To retain the Ultimate package, users MUST buy the whole bundle every time. Winix, despite great products and undeniable success, has difficulty communicating effectively with
as premium ("ultimate") products. Winix Signature Series and Ultimate Pet Series ship with Ultimate Cassette filter trains. at Amazon.com. Many Winix owners were confused by the company's dual filter descriptors - size ("Size 21"), which refers to the filter bay size,
Winix 114290 Size 25 Washable Ultimate Filter Cartridge at Amazon.com. This is an aftermarket replacement Filter. choosing a selection results in a full page refresh. Winix Size 21 Odor Control Carbon Pre-Filters - Set of 4 at Amazon.com.