The Moose Valve is a very innovative Blowpipe Stock Valve.
It is very easy to fit and remove using a tool provided and fits securely in position. Can be used in any type of bag set up and is fully adjustabe from 3/4" - 7/8".
Fits internal tapered bores with no requirement to ream or drill stock and features a large bore for efficient air delivery and is 100% Airtight.
It also acts as a water trap which effectively collects excess moisture which can be tipped out at any time by simply removing the blowpipe.