Buyers Products 50 Gallon Side-Mount Polymer Reservoir Model SMR50PBuyers Products 50 Gallon Side Mount Polymer Reservoir SMR50P The heavy duty 50 Gallon Side Mount Polymer Reservoir from Buyers Products is lightweight, rustproof, and virtually maintenance free. It's ideal for applications where weight is a factor, and great for short run dump applications. The reservoir is fully baffled to control fluid movement and to keep things cool. It features a sight level and temperature gauge and a raised anti slosh fill