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🛡️ Seal your filter’s fate with confidence—never let leaks cramp your aquatic vibe!
Captain O-Ring’s 2-pack replacement seals are precision-engineered synthetic rubber o-rings designed to fit SunSun HW304A, HW304B, and compatible canister filters. With exact OEM dimensions and durable material, these USA-assembled gaskets prevent leaks and ensure long-term filter performance, making them an essential upgrade for any serious aquarium enthusiast.
| ASIN | B0CP6C1FFD |
| Best Sellers Rank | #53,210 in Pet Supplies ( See Top 100 in Pet Supplies ) #646 in Aquarium Filter Accessories |
| Brand Name | Captain O-Ring |
| Color | Black (Rubber) |
| Customer Reviews | 4.0 4.0 out of 5 stars (78) |
| Item Diameter | 9.7 inches |
| Manufacturer | Captain O-Ring LLC |
| Material Type | Rubber |
| Model | SS-HW304A-OR-2pk |
| Nominal Inside Diameter | 9.7 inches |
| Nominal Outside Diameter | 10.14 inches |
| Number of Items | 2 |
| Number of Pieces | 2 |
| Part Number | SS-HW304A-OR-2pk |
| Set Name | Captain O-Ring Replacement Seal O-Ring 2-Pack for SunSun HW304A/HW304B |
| UPC | 810061941538 |
| Unit Count | 2 Count |
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