Kleinn Air Horns 6260RT Air Tank - 0.5-Gallon Capacity is a replacement Air Tank for the Kleinn Air Horns 6260 Air System. Featuring a Mild Steel Construction and an attractive Black Powdercoat Finish this Kleinn Air Horns Air Tank - 0.5-Gallon Capacity is also Internally Coated. Engineered with a Tank Capacity of 0.5-Gallons and including Five Ports measuring 1/4-Inches NPT this Kleinn Air Horns Air Tank - 0.5-Gallon Capacity is the perfect replacement piece. Too Loud? Too Bad!