... "(15mm)3/4"(20mm) Certificate:UL fire sprinkler glass bulb fire sprinkler fire sprinkler head1.Max. Ambient Temperature:38° ... °corange6838°cred7938°cyellow9338°cgreen14138°cblue glass bulb upright fire sprinkler Verified Information This information is Verified by ... Produced(Previous Year) Rubber fire hose, PVC fire hose, Synthetic rubber fire hose, Fire sprinkle, Fire hose reel, Fire nozzle USD 30,000 ...