General description The 4 Pack 1.5' DB Valve Black Replacement for Dometic 385310076 is designed for use with Dometic S and T series vacuum generators and pumps. This valve kit includes two 1.5 inch duckbill valves, which are essential components of the VacuFlush system, preventing backflow in vacuum and discharge pumps. Regular replacement of these valves is recommended to ensure optimal performance. Technical specifications Type: Duckbill Valve Kit Number of Pieces: 4 Material: High-quality rubber Color: Black Part Number: 385310076 Dimensions: 1.5 inches Compatibility and accessories Compatible models: S12D, S12DAB, S24D, S32D, S115A, S12, 52A, S32, T12, T24, T32, VG12, VG24 Note: "S" series vacuum pumps, low profile vacuum pumps, and VG2 vacuum pumps require 4 valves; "T" series discharge pump requires 1 kit (2 valves) Usage These valves are designed to be simple to use and maintain. They are built to withstand high temperatures and provide reliable performance over many years