Products
Duo-Cap
Medium Efficiency Extended Surface Cartridge Filters
  • MERV 8 performance rating (ASHRAE Test Standard 52.2-2012)
  • Superior dust holding capacity
  • Extended filter lifecycles
  • Low initial pressure drop


Koch Duo-Cap Cartridge Filters are constructed with a progressively dense synthetic media.
(Also available with microfiberglass upon request).
This graded density construction ensures low resistance to air flow, high dust holding capacity, and prolonged filter lifecycles.

Duo-Cap is designed to fit Cambridge Filter Corporation Hi-Cap and Side-Cap frame systems without modification to existing framework.

Competitive brand and trade names are for product identification purposes only.
Product Brochures
Technical Data