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Permatron Perm20s26k

Permatron PreFilter(Qty 1) & Carbon(Qty 3) for White-Rodgers 20¼ x 26
Price: $83.00


permatron air filters and air filtration solutions since 1957 SST1000 SST1400 SST1600 SST2000

Permatron air cleaner upgrade kit includes:

   (Qty 1) Electrostatic pre-filter
   (Qty 3) Activated carbon post-filter

Designed specifically for the White-Rodgers or Electro-Air 20 x 26 air cleaner. Each filter measures 20ΒΌ x 26 x 5/16". This upgrade kit is for all models SST2000, SST-20, 20C26S-xxxx, 20C27S-xxxx.

These filters are the full size of the air cleaner and not split in pairs like the original White-Rodgers filters. One Permatron prefilter replaces the pair of original half size F825-0338 prefilters.

Also one permatron carbon filter replaces a pair of the F825-0469 carbon filters. These Permatron carbon filters simply side right in and do not require clips as with White-Rodgers carbon filters.

Permatron Carbon Filter for SST2000
White-Rodgers SST2000 Prefilter
Wrap-Around Filter for the Central AC Condenser

Prefilter Washing


When cleaning the prefilter be careful not to flatten down the woven foil. The aluminum weave can be easily flattened with water pressure or when cleaning with a brush. Soaking the prefilters in a tub is recommended.

See your owner's manual for washing instructions.
White-Rodgers Cell Washing Instructions
Honeywell Cell Washing Instructions
Cell Washing Frequency

MFG Industrial Grade Wash Tub
Wash Tub Molded Fiberglass and Lid for Two 13x20 Cells
Nu-Calgon CalClean HD-RTU Quart SprayNu-Calgon CalClean Special HD Gallon

Electro-Static Prefilter

Electrostatic prefilter versus metal mesh The Permatron prefilter significantly improves the capture of the larger 10+ micron particulate. By effectively removing this larger particulate, the collector cell more effectively captures the smaller particulate.

The improved capture of large particles will reduce the occasional spark. Also the need to wash the cells will be extended. The Permatron prefilter has a low 0.09 wg air resistance making it interchangeable with the metal mesh at 0.07 wg.

A quick cleaning of the prefilter is recommended once a month. Simply vacuum or rinse with a hose. Washing the cells would be recommended every 6 months. See brochure for more information.
Filter Upgrade for Electronic Air Cleaners pageIndependant testing, washing, warranty, 1.2M pdf, 4 pages

Activated Carbon Filter - Odor Control

Activated carbon filter are made to control odors Permatron's activated carbon absorbs odors and fumes. Whereas the collector cell captures particulate, the carbon captures noxious gasses.

Permatron charcoal filters exceed manufacturer specs with 14 grams of carbon per square foot along with a low 0.06 wg air resistance.

The carbon is finely ground resulting in over a million square feet of surface area. The carbon is impregnated into the filter media and heat set. There are no loose granules, the filter can be rinsed or vacuumed.

Vapors are pulled by molecular action in to tiny pores and held. In manufacturing the carbon, the activation process creates millions of micropores. The pores are sized and formulated to remove common household VOC's.
Odor and Fume Removal PageCarbon filter Specifications, Contamination from household chemicals, 2.7M pdf, 7 pages

Quality Construction

permatron prefilters srtong quality construction Permatron prefilters and carbon filters are constructed with a rugged galvanized steel frame. The frames do not easily kink or push out of square. They are not flimsy like the Honeywell brand.

The prefilter polypropylene weave is gripped solid by the steel frame. Very good quality.

Permatron filters are made in Illinois. The foam, activated carbon, poly-propylene, aluminum mesh and steel frame are all products of the USA.

The genuine Honeywell prefilters are stamped with Product of Mexico.

permatron air filters and air filtration solutions since 1957
Permatron filters and made in Illinois USA

Related Products

F825-0338 White-Rodgers PreFilter
F825-0338
Prefilter Pair for White-Rodgers SST2000 13x20
Price: $52.00
Permatron Activated Carbon Filter Kit for White-Rodgers F825-0469
Perm20s26c
Carbon Filter Kit for SST2000
Price: $67.00
F825-0469 White-Rodgers Carbon Filter
F825-0469
Carbon Filter Pair White-Rodgers SST2000 13x20
Price: $88.00
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