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Foam pre-filter Klotz filter spray K&N style air filter
Foam Pre Filter 3.5" X 5" For use with K&N style filter and foam prefilter. Spray both filter and pre-filter.
3.50" x 4" (2-7/16" I.D.) Angled. Fits Clone or Flathead. Use foam outerwear and Klotz filter spray with filter
Outerwears pre-filter

Outerwears Pre-Filters for Racing Kart Air Filters

  • Works Great on K&N style air filters
  • Ultimate Air Flow & Protection
  • Pre-Filters are made from high quality materials with a welded seam for strength
  • 3.5'' x 4''
  • Outerwears pre-filters simply slip over your air filter!