Size: 3-1/4" Dia. 11-1/4" high Tank: 7" tall, 24 oz. Side Port: -12 AN. Bottom Port: 3/8" N.P.T. (For vacuum pump applications) This Breather Catch Tank is Plain Aluminum and comes with a petcock, a standard 1-3/8" breather, a stainless steel mounting clamp for panel mounting and a weld-on bracket which allows for roll bar mounting.