- EATON HANSENAIR LINE SPEED CONNECTOR- 2609 - 1/4 FEMALE NPT 1/4 CAP8872609CA$5.47Availability: AvailableTOPRINGCOUPLER-QUICK DISCONNECT - 1/4" NPT FEMALE THREAD ARO 21087323.444CA$12.56Availability: AvailableTOPRINGAIR HOSE-FLEXIBLE ECOFLEX - 3/8" X 50' X 1/4 (M)NPT ORANGE87370.338CA$82.96Availability: Available