Detailed Product Description Neck Thread: M28x14TOutlet Thread: 21.7x14TDip Tube Thread: M10x1Pressure Release Valve:210 ±15Bar We are specialized in manufacturing fire extinguishers and spare parts, with international approvals such as CE, EN3, TUV, etc. Up to now, ourproducts have been successfully exported to Europe, south America, and southeast Asia with reliable quality and competitive ...