The 15 gallon steel reservoir is, first and foremost, ideal for 1 ton trucks and small hydraulic applications. It comes pre-drilled for tank-mounted micron filter (sold separately). Features 2″ NPT suction ports and contaminant-catching magnetic drain plug. Also has a 1/4 turn chrome filler breather with basket strainer. Additionally equipped with oil level gauge with temperature indicator. Interior baffle located between the suction and discharge. Made with durable 13 gauge H.R.P.O. steel and comes fully tested.