SS2 Gravity Stainless Steel Water Filter. Doulton
Model HCA2 Plastic Gravity System
The imperial sized supersterasyl was developed in response to emergency situations in which they can provide more water per hour than the standard supersterasyl and the same filtration. The Imperial supersterasysl filters are wider in diameter than the standard 2" The imperial are 2.75" X 7" Imperial supersterasyl has a 750 gallon capacity each element.