Rolson 42112 2pc syphon pump
Rolson syphon pumps rolson 42112 a pair of syphon tubes with bulb type priming pump from rolson once the syphon is primed liquid will flow until the level falls below the bottom of the inlet pipe or until the bleed valve located on the pump bulb is opened destroying the syphon action rolson 42112 2pc syphon pump