The Koi Pond Air Dome Bottom Drain
This Bottom Drain should be the only one considered when designing your Koi Pond, It is constructed using only the best materials because it needs to be 100% reliable once built into the pond base.
Spindrifter Bottom Drain
The membrane and backing plate of the Spindrifter fits into a recess in the specially manufactured dome (provided). The recess in the dome prevents the membrane from becoming detached.
- Specially Manufactured Dome
- Recessed Air Diffuser
- Socket Solvent Welded
- Triple Run Welds
4" Water Outlet
- 1" Air Inlet
- Fish Safe
- 4,500 openings in the air diffuser
- For Concrete or Liner Ponds
The complete assembly is secured to the bottom drain by means of a stem, which also provides the air inlet via a nickel-plated connector. All constructional materials are PVC and self-tapping stainless screws. All welds are triple run, suitable for concrete, fiberglass, or liner pond construction.