BoStop -PUM DN 40 is the ingenious trap for drying out and vacuum of washbasins and sinks.

BoStop -PUM DN 40 is the ingenious trap for washbasins and sinks. The inner flexible membrane prevents dry leakage of unpleasant odors channel and opens only water ingress. Bostop - PUM can be mounted in pipes with a Ø 40mm. Installation must take place vertically. Optionally, you can buy the product "Flexible Connection Tube".