The driers can be mounted in horizontal or vertical positions, but flow of refrigerant must be as per the inlet and outlet direction as mentioned on the drier.

The filters are manufactured of steel including the connections.

In the case of filters with more than one block, the passage of liquid takes place in parallel, as a result the pressure drop does not increase proportionately to the number of blocks. A large ring between the inner surface of the filter permits the accumulation of solid particles and prevents clogging. Before leaving the filter, the refrigerant must pass through the mesh sieve on which the blocks are mounted. The danger that small particles of dehydrating material being introduced into the
system is thus avoided.