The filters in series DB3 illustrated in this chapter are designed to be installed on the liquid line of air conditioning systems with reverse-cycle, heat pumps, and refrigeration plants that use the following refrigerant fluids:
HCFC (R22)
HFC (R32, R134a, R404A, R407C, R410A, R507)
HFO and HFO/HFC mixtures (R1234yf, R1234ze, R448A, R449A, R450A, R452A)