Viking Horns V1005AT 3 Gallon Air Tank with 6 ports 3 Gallon Air Tank with 6 ports Storage: 225 psi max Construction: Metal housing black painted Tank Dimensions:23-1/2" Long, 7-1/2" High (with brackets), 6-1/2" diameter (without brackets) Ideal for air suspension and air horns that require on-board air system