... Stainless Steel Bellows, welded 3.Simple installation,inspection,maintenance Braided Flexible Metal Hose for Sprinkler Connecting 1.Stainless steel bellows, Welded, braided2.Used ... without blockage. We have passed ISO9001 and FM approved for sprinkler hoses which are used in Clean Room and Commercial ... .com. We sincerely wish to cooperate with you. Braided Flexible Metal Hose for Sprinkler Connecting