4 Inch Sump Bottom Drain with Dome for Koi Fish Pond or Koi Fish Quarantine Tank Filtration, Pond Fitting

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4 Inch Sump Bottom Drain with Dome for Koi Fish Features

• Solid Plastic

• Fits standard 4 inch pipework, adapter included

• Lid can be adjusted to suit application

• Collar to keep membrane watertight

• Made in UK

About 4 Inch Sump Bottom Drain With Dome For Koi Fish

4 inch outlet Sump Bottom Drain comes with adjustable lid and liner collar. Complete with screws. A bottom drain is used on a pond which has a gravity fed filter system. Water and pond waste leave the pond via the bottom drain, travel along a length of pipe, and into the pond’s filter. Bottom drains are located on the pond floor, and should be positioned in the deeper areas of the pond.