Amazon.com: 5mm OD x 5mm OD Pneumatic quick Connector Push to Connect fittings Straight pneumatic push to connect fitting (Pack of 10) : Industrial & Scientific
Push to Connect Tube Fitting Adapter 10mm OD x G1/8" Female 2pcs - Silver Tone,Black - Bed Bath & Beyond - 26633522
5mm Push to Connect Fitting | 5mm Union Straight Connector
1174X5M by Danfoss | Metric Push to Connect Adapter | Bulkhead Union | — HoseWarehouse
Amazon.com: 5mm OD x 5mm OD Pneumatic quick Connector Push to Connect fittings Straight pneumatic push to connect fitting (Pack of 10) : Industrial & Scientific
5mm x 8mm Push-in Fitting with Plug-in Brass NBR [2 Pieces] | Tameson.com