High Purity Peristaltic Pump Tubing - Pump Tube # 15/0.188" ID x 0.378" OD (+/- .003") = 4.77mm ID x 9.60mm OD / (25' Coil): Amazon.com: Industrial & Scientific
Peristaltic Pump Tubing Manufacturers and Suppliers in the USA
Electric Pumpjack Oil Well Tubing Automobile Supplies Electric Oil Well Tubing Pumpjack Water Pump Sucker Rod Oil pipe - AliExpress
Amazon.com : ALEGI 25 Feet 3/16 Inch Standard Airline Tubing with Air Stones, Check Valves, Control Valve and Connectors Air Pump Accessories Kit (Blue) : Pet Supplies