Filter Finder

Results for “284”

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).

We sell it Compatible replacements

Compatible with 28403E

Filter cartridge

Cross-referenced: our product is listed as compatible with this number

Fit details

Compatible with 28407E

Filter cartridge

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Compatible with 28413E

Filter cartridge

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Fit details

Compatible with 28421E

Filter cartridge

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Compatible with 28423E

Filter cartridge

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Fit details

Compatible with 28443E

Filter cartridge

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Fit details

Compatible with 28453E

Filter cartridge

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Fit details

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 AS568-284

Inside diameter17.955 in (456.06 mm)
Cross section0.139 in (3.53 mm)
Outside diameter18.233 in (463.12 mm)
  • Buna-N (nitrile) 70A10-pack from $23.99 · 25-pack: request a quote · 100-pack: request a quote
  • Viton (FKM) 75A10-pack from $71.99 · 25-pack: request a quote · 100-pack: request a quote
  • Silicone 70A (orange)10-pack from $48.99 · 25-pack: request a quote · 100-pack: request a quote

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