Pump Tube Kit, Compatible with Brand Mec-O-Matic, Compatible with Grainger Part Number 2P304, Compatible Pump Manufacturer Part Number D50, Connection Size 7/16 in, Connection Type Not Applicable, Includes Not Applicable, Material Norprene, Overall Diameter Not Applicable, Overall Length Not Applicable, Pressure (Maximum) Not Applicable, Product Type Pump Head Tubing, Compatible with Series Dolphin. This item has been restricted from sale in the following state (s): []