20 lb Aluminum LP Buffer Cylinder – No OPD – Filler Valve, Gauge, and Coupler 20 lb Aluminum LP Buffer Cylinder - No OPD - Filler Valve, Gauge, and Coupler quantity Add to cart Add to Quote SKU: CYL-LP-AL-20NS-B Categories: LP/Propane + CNG Cylinders, LP/Propane + CNG Cylinders Capacity 20 lb / 9.1 kg Diameter 12.2" / 309 mm Height 19" / 483 mm Material Steel Valve Filler