4 " Large Sump Bottom Drain for Koi PondsTired of manually cleaning your koi fish pond every few days? Do you want to maintain the cleanliness and hygiene of your pond effortlessly? Our Large Sump Bottom Drain is designed to remove the pond and fish waste, helping to keep your pond clean and healthy. The large sump 4" bottom drain is suitable for pond liners, fiberglass, and concrete ponds, and it fits 110mm (4") solvent weld pipe. It's a must have for gravity fed filter systems and can be

Produces ample air for optimal aeration

Eradicates harmful microorganisms

And with its 10 m OASE Control cable for two-way communication

controller and cable suitable for permanent underwater use up to 4 m (protection class IP68

Efficient Filtration: Highly porous structure with a surface area of 2

flow rate l/h 8500 Max

this LED lighting solution is both energy-efficient and environmentally friendly

the Oase Bitron C 55w UV Clarifier is the easiest and most effective way to keep your pond water clean and clear

Power Consumption: 72 W

Trusted choice for pond enthusiasts

harmful bacteria

Creates a strong and durable seal