Bump is a unique, professional trade only solution with the following advantage:
 
No electrical connection required – no electrical safety-certificate needed!
Won’t get clogged with hair or debris from baths or sinks
Silent in operation
Low-profile, fits into confined spaces
Lifts drainage point up to half a meter
High-volume, fast draining
High-reliability – avoid complaints from dissatisfied customers
A premium solution available only to the trade – no DIY
Can be fitted quickly, safely and efficiently