Filter Finder

Results for “251”

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 AS568-251

Inside diameter5.109 in (129.77 mm)
Cross section0.139 in (3.53 mm)
Outside diameter5.387 in (136.83 mm)
  • Buna-N (nitrile) 70A10-pack from $5.99 · 25-pack $11.99 · 100-pack: request a quote
  • Viton (FKM) 75A10-pack from $18.99 · 25-pack $50.99 · 100-pack: request a quote
  • EPDM 70A10-pack from $8.99 · 25-pack $18.99 · 100-pack $77.99
  • Silicone 70A (orange)10-pack from $8.99 · 25-pack $19.99 · 100-pack: request a quote

Available - request a quote Parts we can get for you

  • GeneralAire 25-1 (stock no. 7800)CNTL MDLE 230V W/DRAIN PMPGenuine part
  • GeneralAire 25-10 (stock no. 7521)12" SS MANIFOLDGenuine part
  • GeneralAire 25-11 (stock no. 7522)17.5" SS MANIFOLDGenuine part
  • GeneralAire 25-12 (stock no. 7815)STEAM CYLINDER HOSE ADAPTERGenuine part

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