... for 10 years 3)Can do OEM Stainless Steel Flexible Corrugated Gas Hose Amazing Price,Good Quality And Quick Delivery ... factory leak tested. Features: 1. Connectors for indoor and outdoor gas piping; 2. High flexibility, withstands corrosion, durable, reliable, safe ... and won't leak gas if installed incorrectly; 5. For gas mediums such as city gas, petroleum liquefied gas, natural gas, oil, water; 6 ...