Photo 1 of Boltigen AC Oil Dye Injector Kit, A/C Oil and Dye Injector Tools with R134a R1234YF Adjustable Quick Couplers, R410 Mini Split Adapter, Oil Checkers for R134A R1234YF R410A Refrigerant System

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Photo 1 of Boltigen AC Oil Dye Injector Kit, A/C Oil and Dye Injector Tools with R134a R1234YF Adjustable Quick Couplers, R410 Mini Split Adapter, Oil Checkers for R134A R1234YF R410A Refrigerant System Photo 2 of Boltigen AC Oil Dye Injector Kit, A/C Oil and Dye Injector Tools with R134a R1234YF Adjustable Quick Couplers, R410 Mini Split Adapter, Oil Checkers for R134A R1234YF R410A Refrigerant System Photo 3 of Boltigen AC Oil Dye Injector Kit, A/C Oil and Dye Injector Tools with R134a R1234YF Adjustable Quick Couplers, R410 Mini Split Adapter, Oil Checkers for R134A R1234YF R410A Refrigerant System