SUNSUN Canister Filter HW-303A/303B 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 cautious of other sellers on large market platforms who claim that the replacement parts they are offering are genuine. Most of these are cheap replicas that can damage your filter, leading to leaks or other issues in your aquarium. All the branded parts we offer are directly from the manufacturer.

Key Features and Important Notes:

• Will fit SunSun HW external filter series.
• Manufacturer direct replacement part.
• The replacement aquarium external filter O ring will work on similar models.
• This item is brand new, although it may have minor cosmetic imperfections such as scratches.
• If you are unsure of the size you need please feel free to email us.