Secure, Sterile, Sustainable
Haffmans CPM® is Pentair’s microfiltration solution designed to safeguard food and beverage production by filtering gases, liquids, and steam (CO2, O2, H20).
CPM filters help ensure your processes remain free of particles and/or free of microorganisms, supporting quality, safety, and efficiency across brewing, beverage, and industrial applications.
Benefits
- Robust design: Stainless steel segmented elements ensure long-lasting durability.
- Quick maintenance: Cost-effective filter membranes are easy to replace, minimizing downtime.
- Lower costs: Reduced inventory and waste cut both expenses and environmental impact.
- Sustainable: Only the membrane is replaced, reducing material waste.
- CIP-compatible: Clean-in-place design eliminates the need for disassembly.
CPM Filter Options
Pre-Filters, type PVF
The woven stainless steel threads assure that the pre-filter provides up to 100 percent particle-free filtration for compressed air, carbon dioxide, and other gases.
Sterile Filters, type PSF
Sterile filter membranes have an absolute retention rate of at least 10-5. The pore size of the membrane is 3, and can deliver up to 100 percent contamination-free air and gas filtration.
Steam Filters, type PDF
Available in a variety of pore sizes, the steam filter provides up to 100 percent particle-free filtration.
Liquid Filters, type PFF
Liquid filters provide up to 100 percent particle-free filtration of water and can be steam sterilized in situ up to 392 degrees Fahrenheit.

Related Products
HAFFMANS PRE-FILTERS CPM - PVF
Filters with woven stainless steel threads assuring 100% particle-free filtration for gases.
HAFFMANS STEAM FILTERS CPM - PDF
Available in a variety of pore sizes, the steam filter provides 100 percent particle free air and gas filtration.
HAFFMANS FILTER TESTER CPM - MK-3
Easy testing of CPM sterile filter elements as well as most conventional filter cartridges, also allows in-line testing.
HAFFMANS STERILE FILTERS CPM - PSF
Filters with revolutionary design providing advantages over conventional filter cartridges, 100% contamination-free air and gas filtration.
HAFFMANS LIQUID FILTERS CPM - PFF
Liquid filters provide 100 % particle free filtration of liquids, typically water, and can be steam sterilized in sit up to 392 °F.