This is the 800cc Fuel Bottle by Dubro.
FEATURES: Nylon construction, for nitromethane fuels
Metered on side of bottle to measure remaining fuel amount
Black plastic top with plastic spout and Black rubber cap
INCLUDES: One 27oz (800cc) fuel bottle with included spout and cap
SPECS: Length: 8-3/4" (222mm)
Diameter: 3" (76mm)