**Product Specifications:**
**Brand:** VASEN
**Material:** 304 stainless steel
**Size:** Outer diameter of gas valve: approximately 18mm
**Compatibility:** Special non-standard 4-point gas valve commonly known as 3-point in Shanghai, Fuzhou, and Deyang regions
**Features:** Gas pipe with universal plug-in thread at both ends, can be cut to fit required size
**Quality Assurance:** Tested by authoritative centers, quality guaranteed, insured by PICC
**Product Testing:** Complies with standards set by MA, CNAS, and other regulatory bodies
**Installation:** Easy to install with detachable joints, interchangeable plug-in threads
**Safety Features:** Thickened all-copper gas pipe joints for durability, built-in sealing ring for enhanced seal
**Usage:** Suitable for gas transmission, can be trimmed as per requirement
**Additional Features:** Explosion-proof stainless steel inner pipe, PVC flame-retardant outer layer for corrosion resistance and longevity
**Installation Instructions:** Detailed instructions for plug-in and threaded installation methods provided
**Package Includes:** Gas-specific stainless steel corrugated hose for safe and reliable installation
**Customer Guidance:** Step-by-step instructions for measuring length and confirming interface compatibility
**Installation Images:** Real photos of product packaging, buyer installation, and finished installation effect
**Note:** Customers in Shanghai, Fuzhou, and Deyang regions are advised to carefully measure the gas valve thread size before purchasing to ensure compatibility.