The valve makes it great to use with out the tube and handle getting in the way once everything is set in place
Serious suction, don't pop it!.
This is the first pump I've brought, and doing so spent some time looking for all the various options and decided on this one. The pump plunger itself feels high quality, no loose components and the plunge motion goes smoothly with no loose of pressure. The cylinder is also good quality, good length and ok girth. Managed to rip the silicon comfort ring in half after two goes trying to remove it after a pumping sesh, but that hasn't stopped subsequent pumps from going great.
