Product Name: Ar Series Pressure Relief Valve Pressure Regulating Valve Air Source Filter Model NO.: AR30-03 Material: Alloy Structure: Spring Diaphragm Valve Seat: Single-Seat Connection: Flange Temperature: Ordinary Temperature Certification: ISO Media: Water Other Models: Ar10-M5 Ar20-02 Ar40-04 Trademark: YIYUN Transport Package: Carton Specification: 94*57*40MM Origin: China HS Code: 8412310090 Product Description We can make customized cylinder according to clients' samples or drawings, just tell us what you need, we will try to give smart solution to you.Quality,weonlyproducetoplevelqualityproducts,wepromisethatallofourproduct'srawmaterialarefirstclass,andgoodqualitysystemcontrols,soourgoods'qualityisverygood.