PATIKIL Sealing Gasket, 3 Packs Nitrile Rubber 1.30" OD x 0.71" ID O-Ring Washer Replacement for Air Hose Coupling Fitting, Black 11.99$
uxcell Nitrile Rubber O-Rings 52mm OD 44mm ID 4mm Width, Metric Nitrile Rubber Sealing Gasket for Automotive Machine Plumbing, Pack of 5 9.49$
MacMaxe ULKA Model E Type EAX5 – Solenoid Vibratory Water Pump Brass Shaft with Two Seal OR 2025 – 1/1,5 min ON/OFF, 120V 60Hz 52W – Wide Compatibility With Espresso Machines 55.00$