I just got one of these http://shop.aquatraders.com/Overflow-Box-s/29.htm and they are good a quality box at a low price, almost the same as CPR just without the black shield
JakeH;3691061; said:Are these self-priming & safe like the DIY PVC overflows?
Pharaoh;3691074; said:No such thing as a self-priming overflow. They will however, retain their siphon should power go out or the pump stop running.