Cam and Groove Hose Coupling Dust Plug, Plug, For Coupling Size 2 1/2 in, Body Material Stainless Steel, Type DP, Coupling Size 2 1/2 in, Natural, Plug Outside Dia. 3 in, Gasket Material Not Applicable, Overall Length 2 1/8 in, Includes Locking Arm No, Plug Length 1/2 in, 225 psi