3/16" x 1/4" Tubing for Pinch Valve Back Catalog number: PC-5300-044 Availability: In the manufacturer's stock Price on request - + Recommended MA9315 Electrode holder for bench meters Price on request MR9600-CAL Calibration plate for MR9600 SmartReader 96 Price on request MA753 Hard carrying case for 2 Waterproof testers Price on request