Truckmount 6 Gallon Water Box, Heavy Duty Mix Tank with 5" Lid 3/4" Bottom Fitting 15"L x 12"W x 8"H This 6 gallon polyethylene rectangular tank has outside dimensions of 15"L X 12"W X 8"H (not including threaded neck) with a .150" wall thickness. This tank has a 3/4" PP Bulkhead fitting with EPDM gaskets. Tank comes with a 5" threaded lid, weighs approximately 6 lbs. and will hold up to a 1.7 specific gravity. Tank is graduated. Plastic allows for easy drilling and mounting of float valve. Special order item, allow 1 to 2 weeks to arrive.