Pacifico Gas Slider is a free Android application developed by YATEM Mobile Lab. that provides HVAC-R professionals with a handy tool to convert pressure-temperature of refrigerants. With this app, users can easily access information about various refrigerants and convert commonly used pressure vs temperature units about refrigerants.

Using Pacifico Gas Slider is quite simple. Users can select a refrigerant on the main page by pressing the gas name button. They can also change the Bubble/Dew types of refrigerants either from gas list or Bubble/Dew button if applicable. The pressure unit can be selected on the left-hand side of the slider by pressing the pressure unit button, while the temperature unit can be selected on the right-hand side of the slider by pressing the temperature unit button. As users slide the scale up and down to select the exact measure corresponding to the horizontal red indicator line, the selected pressure and temperature values are displayed on the top of the slider. They can also enter the exact pressure or temperature value using the keypad by pressing the displayed numbers.

Overall, Pacifico Gas Slider is an excellent tool for HVAC-R professionals who need to convert pressure-temperature of refrigerants. It's easy to use, provides accurate information, and is free to download from the Google Play Store.