Permatron 190910A
Permatron Prefilter Aluminum Mesh for F52D Alternate
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F52C F52D Prefilter Upgrade Single Cell Dual Cell

Permatron hospital grade prefilter for the Honeywell F52D, dual cell model. The F52D uses one large pre-filter.

Verify your prefilter dimensions, the F52D models were manufactured with different prefilter sizes. This 190910A alternate prefilter measures 30-1/4 x 20-9/16 x 5/16 inch.

For an alternate size see the F52 prefilter 190910 or 198442.

Permatron, the premiere prefilter manufacturer, designed this prefilter to exact Honeywell specs. The metal mesh consists of 5 layers of slit and expanded aluminum of differing densities. The frame is upgraded to stainless steel.

Permatron Hospital Grade Prefilter

permatron prefilter detailPermatron's Super Premium prefilters have a stainless steel frame. Its a heavy weight USA made aluminum mesh.
honeywell prefilter detailThe Honeywell aluminum frames are weaken by corrosion from electrolysis and ozone. Humidifier moisture can contain corrosives chlorine and salt.
Prefilter Mesh DamageThe mesh can easily pull out of the aluminum frame. The stainless frame holds the mesh like a spring clamp.


Prefilter Efficiency Improvement

Aprilaire 412 Super Filter Coat increases efficiency and dust holding capacity of prefilters used in electronic air cleaners.

The Super Coat adhesive have a unique viscosity oil in a gel-like straucture. This viscosity oil constantly absorbs dirt particles. As particles are trapped, they recede into the interior of the adhesive, and throught the circulation of the low viscosity oil a renewed impurity absorbing surface is established. This action provides a continuous impurity absorbing surface layer.

The aluminum mesh prefilters will maintain their initial efficiency with periodic applications of RP Super Filter Coat after cleaning. After a period of use of the prefilter, dirt, lint and the original water soluble adhesive coating are easily removed by simply flushing the filter in a stream of water. A new, easily-applied coating of RP Super Filter Coat can restores the filter's superior performance qualities.

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.

MFG Industrial Grade Wash Tub

Permatron air filtration innovations since 1957Permatron filters are made in USA productsPermatron 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.

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