135 Ống khuỷu tay silicone độ 135 Degree Elbow Coupler, elbow silicone coupler Hotop performance silicone 45-degree elbow coupler hose is designed and engineered to meet high-performance requirements specified in various industry standards, therefore make it great for marine and industrial use, HOTOP is a silicone hose factory that can custom any size or specification of silicone coupler hoses. Technical Specification: …