... ) Medium: R134a, R22, R407C, R404A/507, Water and oil 3) Material: Brass oil magnetic flow switchesFSF10W-1/2 Magnetic flow switch is ... current: 1AAvailable medium: R134a, R22, R407C, R404A/R507, oil and mixture of oil and refrigerant. Type dataModelConnection size(inch)Flow rate range ...