- Anti-flutter R134a Pressure 2 1/2" High Side Gauge
The Mastercool 85500 is an Anti-flutter R134a Pressure 2 1/2" High Side Gauge. Mastercool offers one of the most extensive lines of high quality replacement gauges. Our wide variety of gauge scales are available in different sizes and styles. All of our gauges are designed with the ANTI-FLUTTER feature that reduces needle fluctuation and increases reading accuracy.