Bel-Art™ SP Scienceware™ Tubing Clamps: Mid-Range Mid-Range; For1/8 to 7/16 in. (3.2 to 11mm) O.D. tubing; With 15 clamp positions for flow control Plastic Clamps | Fisher Scientific
3/16" (4.5mm) Maximum KECK™ Red Tubing Clamp | U.S. Plastic Corp.
Pipe Clips Plastic Pipe Hangers Clamps U type Pipe Clamp - Temu United Kingdom
Double Polypropylene Inside Smooth Series B Clamp Halves | Hydraulic Tube Clamps - Hydraquip