The only solvent weldable water tank where fittings can be added anywhere on the tank. Lightweight, completely algae-free black ABS plastic. Tasteless, odorless and non-toxic. Baffled every 18" for surge control. Supplied with 3/8" threaded fitting inserts; three on each end. All tanks are 8" wide and 16" tall. For low pressure fresh water applications. More durable and better suited to fresh water uses instead of a polypropylene tank. 36" Long (18 gallons). Does not come with fill kit.