4-Gallon Replacement Tank [#204]
$89.00
4.4 Gallon Tank: Diameter is 11"; Height is 14"
2.2 Gallon Tank: Diameter is 8"; Height is 13".
The capacity of each tank is approximately half of what it is rated because the rest of the space in the tank is occupied by a pressurized membrane.
(Add 3" to height for Stand and Valve on 4 Gallon Tank)