Filter Finder

Results for “257”

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 AS568-257

Inside diameter5.859 in (148.82 mm)
Cross section0.139 in (3.53 mm)
Outside diameter6.137 in (155.88 mm)
  • Buna-N (nitrile) 70A10-pack from $5.99 · 25-pack $12.99 · 100-pack: request a quote
  • Viton (FKM) 75A10-pack from $23.99 · 25-pack $66.99 · 100-pack: request a quote
  • EPDM 70A10-pack from $9.99 · 25-pack $22.99 · 100-pack: request a quote
  • Silicone 70A (orange)10-pack from $11.99 · 25-pack $26.99 · 100-pack: request a quote

Available - request a quote Parts we can get for you

  • GeneralAire 25-7 (stock no. 7805)KIT FOR DRAIN PMP 230VGenuine part

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