FrontRunner 50L Upright Water Tank. $180 Information can be found here.
Water - Upright Water Tank, 50L | Equipt Expedition Outfitters
RTT SOLD. No rips, Tears, Smells, or Water Damage. Great for it's age although I don't know it's age. It comes with 2 ladders. The original ladder is a little short for a lifted 4runner so I installed a newer ladder from Mombasa.