BOS Max filter bags


  • BOS MAX Heavy Duty Extended Life Bags contain a semi-rigid, microfiber cartridge insert for up to four times the life of standard BOS bags and are ideal for high-purity applications
  • Absolute rated 3-100 microns for high efficiency and consistent quality
  • Thermally-bonded microfibers contain no sizing, bonding adhesive, resin or silicone
  • Contaminant free to eliminate craters providing better surface results
  • PolyLoc® ring creates hermetic seal within a vessel housing to prevent liquid bypass


About BOS MAX Filter Bags

The innovative BOS MAX heavy duty seamless filter bags have an advanced design that provides extended life and increased efficiency with a greater depth filtration than conventional filter bags. It provides all of the benefits of the standard BOS filter bag with a semi-rigid microfiber insert that increases the dirt holding capacity of the filter while providing the absolute filtration of the BOS filter bag.


Filter Media

  • Polypropylene


Seamless Construction

Maximum Operating Temperature

160° F (71° C)

Suggested Differential Pressure

35 PSIG maximum – dirty 10-15 PSIG optimum change out

Absolute (98%) Micron Rating

3, 5, 10, 25, 35, 50, 75, 100




1: 7” x 16” (17.8 cm x 40.65 cm) 2: 7” x 32” (17.8 cm x 81.3 cm)


Polypropylene PolyLoc®