RELAX4LIFE Bio Pressure Pond Filter - Pressurized Biological Pond Filter w/13W UV-C Light, 4 Adapters, 2642 GPH for 1321 Gal Koi Ponds or 2642 Gal Ornamental Ponds,Fish Pond Filters for Outdoor Ponds

High-Efficiency Filtration: The pond filter is engineered to circulate 2642 GPH, suitable for koi ponds up to 1321 gallons or ornamental ponds up to 2642 gallons. Featuring a vortex system, mechanical filter, and biological clarifying design, this filter can build a healthy aquatic space. The water pump is required but not included. Advanced UVC Technology: The koi pond filter features a 13W inside UVC light to keep your pond water crystal clear. The UV-C lamp offers 8000 hours of operation, making the filter system perfect for maintaining optimal water quality all year round. Ideal for your koi pound, fountain pool, fish aquarium tank or garden water. Multi-Density Sponge & Easy Maintenance: The fish pond filter features a variety of sponge densities, adept at targeting and removing different types of debris. Simply press and rotate the button to wash the replaceable sponges conveniently. Plus, the sponge cleaning indicator will signal cleaning necessity when it turns yellow. Enduring Materials: Made of sun-proof, anti-aging, and heat-resistant PP and ABS, the pressurized biological pond filter is premium for a long-term use. Its sturdy construction is also IP44 waterproof. Both features make it the advanced choice for outside use. Complete Accessories: Adapt to varying pond setups with the pond filter’s 4 included adapters for hose sizes 3/4”, 1”, 1¼”, and 1½”. You can easily change the mode between "Filter" and "Clean" on top function switch of the bio pond filter. It also features a glass cover to securely seal the outlet when not in use and an orange flow rate indicator for easy monitoring.