maddman rocket valve

[The Pumper]

ive been trying to look on how to install it but cant find it anywhere.

if someone can show me a link, i'd appreciate it
if you could tell me which way it goes in, that'd be good too.

any help is appreciated.

[118917]

http://www.maddmanproducts.com/Home_Page/Rocket_valves.html

[The Pumper]

thank you