D&h refrigeration
Use this app all the time love it just need the new gas r290 and r 600 to be added
Just general info
General info only not worth the money
Handy
Very handy lookup to have with you for those in the field. Highly recommend.
A+...impressive
Very impressed by this refrigerant app. Definitely worth a few bucks to always have the PT charts at my fingertips.
Best PT charts
Very simple to use...has everything I was looking for.
