. B
1) body style: CGA540 nut and nipple style
2) Material: Lightweight aluminum alloy body
3) Outlet: Barb or DISS outlet or W/2CV
4)Flow rates: can be 0-4lpm, 0-6lpm, 0-8lpm, 0-15lpm, 0-25lpm
5)Colors: can be anodized to green, red, silver, black, gold, brown, blue, purple
6)Output pressure: 50PSI
7)Diameter: 1 3/8 Nominal; Length: 6 3/5 approximately; Weight: 500g
8)Gauge: Ø1.4 0-3000 PSI, Clean for O2 Service, UL Listing, Boot, 1/8 NPT, Fill/Refill
9)Warranty: Two years.