The range of filter driers cover both hermetic filter driers and filter driers with exchangeable core. The hermetic filter drier is delivered with various functions: standard filter drier, bi-flow filter drier, combi filter drier and burn-out filter drier. For the filter drier with exchangeable core the program cover: standard core for CFC / HCFC, standard core for HFC, burn-out core and mechanical filter. The filter drier housing is available with 1 to 4 cores.