instructions for use:
choose the correct size stopper to block the
drain or pipe opening ensuring that no air can
escape or leak out.close all vent holes.If you
are working in a sink with a rubber U-bend please
check that the metal clamps are secure to pressurethe
pipes coming loose due to the high pressure.
simply hold the air reservoir in your left hand
and the pump handle firmly in and out about 5 times now push the pump handle
against the floor or on a sturdy flast surface and hold around the air reservoir
while pumping up and down.