Buyers Products 50 Gallon Side Mount Aluminum Reservoir With Rear Ports Model SMC50ARBuyers Products 50 Gallon Side Mount Aluminum Reservoir With Rear Ports SMC50AR Buyers Products Side Mount Aluminum Reservoir with Rear Ports features dual rear 2 in. NPT female threaded suction return ports. It's internally baffled to suppress sloshing and lower operating temperatures. The reservoir's aluminum body is light weight and extremely resistant to corrosion. The included mounting brackets wrap under the tank for added stability and support.