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4"/110mm Aerated Bottom Drains for Ponds fitted with a Liner Ref: 21 | |
Fabricated Bottom Drain - Sump Details Sump Outside Diameter 250mm Sump Wall 7mm (approx) Sump Flange Diameter 350mm Sump Flange Thickness 6mm Liner Ring Thickness 6mm Self Tapping Screws for Flange Quantity 12 - 5.5 x 25mm Stainlless Steel Pozi Pan self Tapping Base Thickness 6mm Socket for Stem - Welded to Base 48.3mm Water outlet 4" or 110mm Inlet for Air Hose 1" or 1 1/2" 32mm or 40mm | |