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R1234YF AC System Visual Inspection Sight Glass W-R1234YF Manual Couplers
Brand: Mastercool
SKU#: MTC-53377-YF
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R134A AC System Visual Inspection Sight Glass W/R134A Manual Couplers
Brand: Mastercool
SKU#: MTC-53377
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PG399 - R134A VISUAL INSPECTION SIGHT GLASS WITH R134A QUICK COUPLERS
Brand: Mastercool
SKU#: MTC-53376
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