Description Vacuum valve kit for Sealand generators, 4-pack 1-1/2 inch replacement 1-1/2Inch Vacuum Valve Kit (4-Pack) for Sealand Generators - Replacement for Model 385310076 4 Pack DB Valve 1-1/2Inch Valve Kit Replace for 385310076 for Sealand Vacuum Generators S Wide Application: For S, T, , and series pump numbers including S12D, S12DAB, S24D, S32D, S115A, S12, 52A, S32, T12, T24, T32 model. Technical for /for Sealand Duck Bill Valves Kit comes with two 1-1/2Inch valves for T and S series pumps. These valves are a critical component of the VacuFlush system. Designed to prevent flow back in vacuum and discharge pumps and should be replaced frequently. Note that S series vacuum pumps, low profile vacuum pumps, and the VG2 vacuum pumps require 4 valves . The T series discharge pump requires 1 kit (2 valves) Tough and Well Made: Made of high-quality rubber, reliable use, and longer service life, Is your perfect choice. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:Black Material:rubber Package Contents: 4 * for valve kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.