Mid-West Instrument 90 degree swivel quick connect test cock adapter kit includes (3) 90 degree swivel 1/4-inches NPT by 1/4-inches flare, (3) 1/2-inches NPT by 1/4-inches FNPT and (3) 3/4-inches NPT by 1/4-inches FNPT quick connect fittings. Includes 3 spare o-rings per size packaged in a convenient plastic storage tube. Rotate 360 degree after installation. Ideal for tight spaces. Set includes all fittings required to test any size backflow device.