Tube Holder Dual Variable Flow, only Back Catalog number: 800073 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200157 U-Tube replacement for P/N 800143 Price on request 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg o Price on request