You might consider these if you want to utilize a Festo Tee coupler

http://shopping.netsuite.com/s.nl/c..../it.A/id.49/.f

or these with barb fittings if you want to insert directly into the hose
http://dreamworksrc.com/catalog/prod...roducts_id=990

One note about using a regulator valve, the best pressure I was able to get out of mine on the high setting was about 12 psi., although my regulator was from a gas grill.