SUNSUN Canister Filter HW-402A/402B Replacement Rubber Seal O Ring

Genuine replacement rubber seal for SunSun HW series external filters.

Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size before purchase.

NOTE: Please be wary of other sellers claiming replacement parts are genuine that are being sold on large market platforms. Most are cheap replicas that can damage your filter leading to leaks or aquarium issues. All our branded parts are from the manufacturer directly.