Air valves, a great selection of valves of many sizes and different dimensions available at Aquamerik.
VP-3, 3/16” hose output and threaded input 12-24. VPL-1, 3/16” hose output and 1/8” threaded input. VS-1, PVC straight saddle very easy to set up. Just drill a 3/8” hole (9.5 mm) in an 1/2” PVC pipe (12.8 mm) and fix it with glue for plastic. Valve not included, 1/8” NPT output. B6 & B8, assembly of 6 or 8 chrome valves, 3/16” insertion. VO-316 chrome plasting, hose outlet 3/16” & threaded inlet 1/4”.