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Midwest Filter, LLC

Midwest Filter Corporation

Filter Bags

Filter bags are available from 1 to 1500 microns to suit your applications. Standard felt bag materials include polypropylene, polyester, nylon, nomex, or absolute rated polypropylene micro-fiber material. Mesh bags are constructed of nylon monofilament, polypropylene monofilament, or polyester multi-filament material.

For high purity applications we offer FDA compliant PolyMicro® BOS series bags which have seamless construction, graded density media, and the patented Polyloc ® ring which provides a hermetic seal between bag and housing. In addition to edible oils and other food and pharmaceutical applications BOS bags are also ideal for use in semiconductor and cosmetics manufacturing.

Standard Filter Micron Ratings and Materials
Fiber/Style 1 5 10 25 50 75 100 150 200 250 300 400 600 800
Polyester Felt              
Nylon Felt                  
Polypropylene Felt              
Nomex Felt                    
Nylon Mesh* 55
Polypropylene Mesh                    
Polyester Mesh            
  1. Nylon mesh is also available in 35,45,65,75,125,175, and 1200 microns.
  2. Teflon (PTFE) mesh and felt are available on special order.