2"/63mm Aerated Bottom Drains for Ponds fitted with a Liner  Ref: 24
Fabricated Bottom Drain - Sump Details

Sump Outside Diameter 160mm
Sump Wall 3-4mm (approx)
Sump Flange Diameter 240mm
Sump Flange Thickness 6mm
Liner Ring Thickness 6mm
Self Tapping Screws for Flange Quantity 6 - 5.5 x 25mm Stainlless Steel Pozi Pan self Tapping
Base Thickness 6mm
Socket for Stem - Welded to Base 48.3mm
Water outlet 2" or 63mm
Inlet for Air Hose 1"
32m or 40mm