Filter Finder

Results for “439”

Type the model or part number printed on your filter, purifier, housing or O-ring. Dashes and spaces don’t matter. For O-rings you can also type an AS568 size (214, AS568-214) or the inside diameter x thickness (0.984 x 0.139 in, 25 x 3.5 mm).

O-ring size CFS O-rings by size

Size catalog: standard AS568 sizes we can supply. A size match is not a fit claim for your equipment. Some sizes ship from stock; others have a 2-3 business day lead time before they ship. Not for oxygen, medical, aviation, scuba or other safety-critical use.

CFS O-Ring AS568-439

Inside diameter6.475 in (164.47 mm)
Cross section0.275 in (6.99 mm)
Outside diameter7.025 in (178.45 mm)
  • Buna-N (nitrile) 70A10-pack from $15.99 · 25-pack: request a quote · 100-pack: request a quote
  • Viton (FKM) 75A10-pack from $67.99 · 25-pack: request a quote · 100-pack: request a quote
  • EPDM 70A10-pack from $21.99 · 25-pack: request a quote · 100-pack: request a quote
  • Silicone 70A (orange)10-pack from $26.99 · 25-pack: request a quote · 100-pack: request a quote

Not sure? Send us your model number and we will confirm the fit.