SAPPHIRE Pre-Engineered System Components ( Tank and Valve Assembly, 80 lb., Empty, (Specify Fill: 41 – 80 lbs.) ) Part Number : 570637 Material : Tank and Valve Assembly, 80 lb., Empty, (Specify Fill: 41 – 80 lbs.) Thread Size/Type: ………….. Weight (lbs): 112 Part Description: …………..