Stenner EC30H-2 Compact Peristaltic Pump Tubing Assembly, H Tube with 1/4" Ferrules; 2/Pk: Amazon.com: Industrial & Scientific
Custom Peristaltic Pump Tubing | Healthcare & Medical
High Purity Peristaltic Pump Tubing - Pump Tube # 24/0.250" ID x 0.438" OD (+/- .003") = 6.35mm ID x 11.13mm OD / (25' Coil): Amazon.com: Industrial & Scientific