Using a Durso Standpipe. Used a 1" to 1.25" adapter to screw right into the bulk head.Hole size: ??

Shortened the height of the PVC in the overflow later on so I can cover the overflow to keep snails out.7/23/2007
Using a Durso Standpipe. Used a 1" to 1.25" adapter to screw right into the bulk head.
Shortened the height of the PVC in the overflow later on so I can cover the overflow to keep snails out.