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ABOUT US

PREMIUM PROCESS FILTRATION

FOOD AND BEVERAGE FILTERS Critical Process Filtration, Inc. is a vertically integrated manufacturer and supplier of premium process filtration products. We provide services to industries in which filtration is considered to be a critical part of the manufacturing process. Critical Process line of products include high purity cartridges, membrane filters, capsules and depth filters made to the highest of industry standards. Critical Process manufactures its own membranes at their own New Hampshire ISO 9001 facility. Equipped with a state of art research laboratory, Critical Process is an industry leader in new product development. Materials include polypropylene, nylon,  micro fiberglass, Polyethersulfone and Teflon. Critical Process also offer a complete line of housings from sanitary to commercial grades.  

The John Mulhern Company, together with Critical Process Filtration can serve your filtration needs in industries as pharmaceuticals, food and beverage, chemical processing, electronics, industrial and waste water. We carry or have access to specialty filtration cartridges, OEM cartridge filters, and other ancillary products. Other services such as filter engineering and consulting are also provided. Let us benchmark your filtration process to determine if you are getting the best performance and result for your money.

ELECTRONICS & CHEMICAL FILTERS
PHARMACEUTICAL FILTERS
ENCAPSULATED MEMBRANE
GENERAL PURPOSE FILTERS
SANITATION & STERILIZATION of CARTRIDGE GUIDE 
BUBBLE POINT AND INTEGRITY TESTING
CARTRIDGE ORDER FORMAT
CAPSULE ORDER FORMAT
END CAP GUIDE
COMMERCIAL HOUSINGS
SINGLE AND MULTI CARTRIDGE SANITARY HOUSINGS

John Mulhern Company Post Office Box 6604, Santa Rosa, CA 95406
(707) 578-5105 (800) 761-9201    FAX (707) 578-8692