The Spindrifter Aerated Drain lid replaces the standard dome on your 4″ bottom drain. The unit has a wide diameter rubber insert with thousands of tiny holes to allow the air flow to come out.
The airline supply can either be inserted inside the length of the bottom drainpipe – coming out at a convenient place near to where your Air pump will be situated, or it can, be simply run across the base of the pond to your Air pump.
stem fits 1.5″ pressure
- Ideal for all types of bottom drains if used in conjunction with the correct adaptors.
- EDPM rubber membrane which can be replaced.
- Suitable for up to 80 ltrs of air at 6ft depth.