$6.99at WaterPORTBuyWaterPORTHardware Set - 4 Gallon$6.99WaterPORT$6.99BuySaveShareWaterPORT profileThe creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.From WaterPORTLong lasting bolt kit for the 4 Gallon Day Tank that will stay rust free.