Amazon.com: 2 PCS 1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver : Industrial & Scientific
Amazon.com: Buefall 4pcs 1/4" 6mm ID Non Return One Way Return Inline Check Valve, for Fuel Line Oil, Petrol,Diesel, Aluminium Silver Corrosion Resistance, Fish Tank Pump : Automotive
Fielect Aluminium Alloy 3M 28 Teeth 6mm Inner Bore Diameter Timing Belt Pulley Flange Synchronous Wheel Silver Tone for 3D Printer CNC 1Pcs: Amazon.com: Industrial & Scientific
Amazon.com: 3Pcs 6mm Fuel Non-return One-Way Check Valve 1/4" Chrome Aluminium Alloy One Way Non Return Air Fuel Oil Check Valve Petrol Diesel Marine Water : Automotive
Amazon.com: Automotive-leader 6mm 1/4" Fuel Non Return One Way Check Valve Control for Petrol Diesel Fuel Oil Water Aluminium Alloy Accessories : Automotive
GUWANJI 2PCS 300mm T Type 2040 Aluminium Extrusion Standard Anodized Linear Rail Length 11.8 inch(300mm) for DIY 3D Printer Workbench CNC: Amazon.com: Industrial & Scientific