Captain O-Ring – Replacement O-Rings for SunSun HW304A & HW304B Canister Filters (2 Pack)

About this item

• Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!
• Package includes two (2) o-rings (also called gaskets, seal rings, or rubber rings). Replace your old, worn, leaking o-ring and have a spare on hand for the future with this handy 2-pack.
• Approximate O-Ring Specifications: Inside diameter measures 9.70 inches (slightly less than 9-3/4 inches), outer diameter is 10.14 inches (slightly more than 10-1/8 inches), and thickness is 0.21 inches (falls between 3/16 inch and 1/4 inch).
• Compatible with SunSun (Sun Microsystems) 304A (HW304A), 304B (HW304B), 404A (HW404A), 404B (HW404B), 602 (HW602), 602B (HW602B), 603 (HW603), 603B (HW603B) canister filters.
• Replacement Lid/Cover/Head Seal O-Ring for SunSun HW304A (HW-304A) and HW304B (HW-304B) canister filters, as well as the full list of compatible filters below.