www.foodengineeringmag.com/articles/88114-sterile-air-filters-1
Sterile air filters
October 1, 2010
Designed for areas in food facilities frequently exposed to aggressive washdown chemicals, Parker Balston stainless steel, 3-stage sterile air filters remove 99.9999+% of oil, water, rust, bacteria and other viable organisms from compressed air and other gases at 0.01 micron. Available in 1/4- to 1-in. line sizes with flow capacities to over 700 SCFM, the filters are in full compliance with FDA requirements for the food and beverage industries.
Parker Hannifin Corporation; 800-343-4048; www.balstonfilters.com