Tube Holder Housing End, 1/2" for 6mm OD Back Catalog number: 800062 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800073 Tube Holder Dual Variable Flow, only Price on request 200157 U-Tube replacement for P/N 800143 Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request