Three-stage filters clean the air you work in

Unlike standard cab filters that have only a paper-like medium to trap dusts, our three-stage filter combines dust filter mediums (Stage 1) with activated charcoal (Stage 2) which adsorbs pesticide and other organic vapors and traps pollen and molds. A final filter (Stage 3) reduces the amount of charcoal fines entering your cab, so you breathe cleaner air. Each filter is housed in a durable metal case and is designed to fit snugly in your tractor cab. Replace filters annually or when you begin to again taste or smell chemical vapors.

Note: Custom filters may be available, on a special order basis, for Anhydrous Ammonia (NH3). Call for availability (4-week lead time).

WARNING: Our Clean Air Filters are not a replacement for wearing personal protective equipment, as required by many pesticide labels. Also, this filter may reduce airflow in your cab.

Fits FORD: SQUARE CABS (8000-9600; Old style, prior to 1977) models.

Dimensions of filter: 28"L x 7-1/2"W 2.19"H

Replacement Filter for manufacturer's filter: D3NN19-N551A.


  • Manufacturer #: FS77H
  • Manufacturer Number: D3NN19-N551A

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