Polypropylene Prefilter Pair for 16x20 F50F F300
Price:From $49.00 to $59.00
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Package of Permatron Poly-209989 Electrostatic polypropylene prefilter for F300 and F50F series. Independent testing shows 43% increase in average arrestance efficiency over metal mesh prefilter. We measure each filter 10 x 16 x 1/4.

Designed specifically to spects for the 16" x 20" Honeywell F300 and F50F. The prefilter is available in half size of the air cleaner to accommodate tight space such a closet HVAC unit. Also available in full size of air cleaner.

This electrostatic prefilter fits the Honeywell F300E1001, F300A1620 and F50F1149 air cleaner.

This poly-209989 prefilter is for series F300E, F300A, F50F and will NOT fit the the F50A or F50E Series.

F300 Parts F50F Parts F50E Parts F50A Parts

Electro-Static Prefilter

Metal Mesh Efficincy versus Permatron filtersThe 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 info.

Quality Construction

Permatron rugged galvanized steel framePermatron prefilters 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.
Metal mesh filters can be pulled out of frame


Permatron air filtration innovations since 1957Permatron filters are made in USA productsPermatron filters are made in Illinois. The polypropylene, aluminum mesh and steel frame are all products of the USA.

The genuine Honeywell prefilters are stamped with Product of Mexico.

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