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- Fits Sunsun HW-303 HW-403 HW-703 canister filters
- Filter media pads evenly soak with water to successfully trap unwanted particles.
- Porous surface traps toxins, allowing them to decompose.
- Capable of catching both large and small dirt pieces, helping to keep your tank clean.
- Pads may be re-used multiple times, making for an economical solution to your filtration needs.
- Easy to clean—simply rinse and lightly squeeze.
- Replaced after 6-12 months due to micro holes of sponge will gradually clog by debris
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