HagenŽ Ultra 2 Way Air Control Valve #A1178 HagenŽ Ultra 3 Way Air Control Valve #A1179 HagenŽ Ultra 4 Way Air Control Valve #A1180 HagenŽ Ultra 5 Way Air Control Valve #A1181 HagenŽ Check Valve! #A1165 Lee's 2 Way Plastic Valve 2 pk #14104 Lee's Check Valve #12405 Lee's Plastic Tee 2 pk #14100