R-4 LIGHT METRIC THREADS DIRECT MT HIGH PRESSUR SWITCH WASHER 3/4 SUCTION 5/8 DISCHARGE - BOTH SHALLOW SHORT SHAFT 6 GR DIA 4.25 MTD .25 COIL SPADE @ 12:00
Biodegradable, non-toxic and 100 percent compatible with all A/C system lubricants and components. Safe-Flush A/C cleans equally well with R12 and R13..