Needle Seal (For pH 1-14, for operation up to 130 Back Catalog number: CTS-21089 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11187 Outlet Check Valve Price on request PL7025350 MarvelXACT PLS 25µm x 350mm Price on request CTS-11080 Alliant Solvent Mgr PM Kit Price on request