SUNSUN HW-304A/B O-Ring Spare

Keep your SUNSUN HW-304AB canister filter running leak-free with this high-quality replacement O-ring. Made from durable rubber for long-lasting performance, it ensures a watertight seal between the filter lid and body, preventing leaks and maintaining optimal filtration pressure. Easy to install and essential for regular maintenance, this O-ring is designed for perfect compatibility with the HW-304AB model.

Key Features

• Perfect Fit: Designed specifically for the SUNSUN HW-304AB canister filter.
• Durable Material: Made from premium rubber/silicone resistant to wear and water pressure.
• Leak-Proof Seal: Ensures efficient, watertight performance.
• Easy Installation: No special tools needed—simply replace and secure.
• Maintenance Essential: Regular replacement prevents leaks and extends filter life.

Maintenance Tips

• Inspect the O-ring during each cleaning cycle for cracks or flattening.
• Apply a thin coat of aquarium-safe silicone grease for smoother sealing.
• Replace immediately if you notice leaks or damage.