Scepter - Rectangular Portable Fuel Tank - 12 Gallon - 08668. This 12 gallon portable marine tank features Scepter's 2-way vented cap and convenient fuel sight guage. Low permeation marine fuel tanks reduce fuel evaporation and retains octane value for longer periods. Made from UV stabilized material, the rugged design is built to fuel your marine adventures for years to come!. Features:. Size - 12 Gallons. Gauge - Yes. Dimensions - 22.9"L x 14.3"W x 13.9"H. Tall Profile. Easy to Transport. Made of UV Stabilized, Rust and corrosion-resistant HDPE for Maximum Durability. 2-Way Vented Cap. Designed to meet international standards. Regulations & Safety Compliance. CARB / EPA. SAI Global. CSA. ABYC. JCI. ICMI