Review on π§ Mastercool 82375 R134A Oil Injector: Essential Silver Accessory for Seamless AC Maintenance by David Lambert
Quality product that works
Following the directions I put 1 ounce of oil in my air conditioner with no problem. Forget the "pour oil in the hose" method I've already tried. You need that. I wiped the cylinder before use but to my surprise it was already clean. No metal chips or contamination. In my opinion it is a quality product.
- Good product for the price
- New competitors have appeared
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