Sunsun HW-303B UV Quartz Glass Spare Replacement

Keep your aquarium water crystal clear and protect your filtration system with the Sunsun HW-303B UV Glass Spare, available now at www.onyxaqua.com. This genuine replacement quartz sleeve is a critical component of your Sunsun HW-303B Canister Filter's built-in UV sterilizer. It serves as a reliable watertight barrier, safeguarding the electrical UV-C bulb from water damage while allowing maximum ultraviolet light transmission to effectively eliminate free-floating algae and harmful waterborne pathogens.

Key Features & Benefits

• High-Clarity Quartz Glass: Crafted from premium, durable quartz glass designed for optimal UV-C light penetration, ensuring your sterilizer operates at absolute peak efficiency.

• Exact Fit for HW-303B: Custom-engineered specifically for the Sunsun HW-303B Canister Filter, guaranteeing a seamless and hassle-free installation.

• Pre-Installed O-Rings: Comes fully equipped with a sturdy plastic mounting base featuring two pre-installed orange rubber O-rings, providing a secure, leak-proof seal right out of the box.

• Restores Performance: The perfect solution for replacing sleeves that have been accidentally cracked during maintenance or permanently clouded by stubborn hard water scaling.

Product Specifications

Installation & Maintenance Guide

To protect your filter and ensure a perfect watertight seal, please handle this delicate component with care:

Usage Instructions:

• Handling: Always hold the sleeve by its plastic base or use a clean cloth when touching the glass. Preventing the transfer of natural oils from your skin helps maintain maximum UV transmission.

• Installation: Before installing, ensure the orange O-rings are clean and free of debris. Gently push and twist the sleeve into the filter housing until it sits completely flush.

• Cleaning: During routine filter maintenance, gently wipe the outside of the glass with a soft sponge to remove any bacterial slime or calcium build-up.