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Review on ๐Ÿ”ง Mastercool 82375 R134A Oil Injector: Essential Silver Accessory for Seamless AC Maintenance by Jeffrey Nunes

Revainrating 1 out of 5

Don't buy, buy splash style!

Believe the negative reviews. Poorly made aluminum filaments broke on first use. I carefully lined up the threads to unscrew the cap and it immediately snapped off and got stuck. Very poor design and not a reliable tool.

Pros
  • practical thing
Cons
  • will be added later