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The patented bit-bar design allows for easy bit removal and the clear lid allows you to see inside at a glance
Delete Table
EXTREMELY FLEXIBLE - All weather flexibility
(1)T27 Guard
Mastercool 53376YF - Visual Inspection Sight Glass with R1234YF Quick Couplers Hex Bit The patented bit-bar design allowsQuickly Diagnose Refrigerant Contamination and Determine if A C System Flushing is Required Save time and prevent costly A C component failures by accurately inspecting the condition of refrigerant inside automotive air conditioning systems. The Mastercool Refrigerant Oil Visual Inspection Sight Glass allows HVAC and automotive technicians to visually inspect refrigerant, oil, dye, and debris contamination in R1234yf A C systems. The condition of