Features low pressure drop with maximum moisture and acid retention. Hermetically sealed cans prevent exposure to dirt and moisture. Complete with gaskets to interchange with other manufacturer's models. 48 cu. in. cores can be used in most 4-3/4 O.D. flanged shells. Higher moisture and acid capacity for systems with excessive moisture due to leaks or ruptures Application: 17150A, 17350C, 17355C and 17500B.