Costway Pressurized Bio Pond Filter with 13W UV Sterilizer Light — 4000GAL / 10000L Koi Water

This pressurized biological pond filter delivers robust performance with a flow rate of 2642 GPH, making it suitable for koi ponds up to 1321 gallons or ornamental ponds up to 2642 gallons. The built-in 13W UV-C sterilizer helps clear water and reduce harmful impurities to maintain a balanced pond environment through the seasons. Maintenance is straightforward thanks to replaceable sponges and a visible sponge cleaning indicator: the yellow marker signals when cleaning is needed; simply rotate the switch to "Clean" and press to rinse the sponges. Constructed from premium ABS and PP, the unit offers insulation, sun protection, anti-aging properties and IP44 waterproofing for extended service life. Operation is convenient with a top-mounted function switch to toggle between "Filter" and "Clean" modes. Four adapters (3/4", 1", 1¼", 1½") are included to accommodate different hose sizes (hose not included).