1. material: hose--SUS304 fitting---carbon steel 2. length: 31", 36", 48", 60", 72" 3. packing: carton fire sprinkler hose1. material: SUS304 hose and carbon steel fitting,2. fitting thread: reducer 1/2" or 3/4" nipple 1",3. hose: with or without braid4. length: 31", 36", 48", 60", 72" other length can as per customer's requirement5. packing: carton6. min order: 1000pcs fire sprinkler hose