- Replacement filter designed for Sun HW303A and HW303B aquarium filters - Complete impeller made of plastic and ceramic, includes end caps, shafts, magnets, and heads - Compatible with micro filtration systems, improves water circulation and cleanliness - Durable material ensures efficient and long-lasting operation - Easy installation and replacement, ideal for home and professional aquariums - White color, discreetly integrates into the filtration system - Keeps aquarium water clean and healthy for fish and plants - Regular cleaning and maintenance is recommended to ensure performance - Disconnect the power before handling the rotor to avoid accidents