• Color Change Indicates Pass/Fail
• Tests for Inorganic Acids to the ARI-700 limit of 1ppm
• Works with All Refrigerants & Oils
• Meets EPA Venting Regulations
• Unique Patented Disposable Design
• U.S. Patents #6,514,765 & #6,825,040

Detects inorganic acid in 2-seconds down to 1 part per million. Fast, accurate and easy to use, QwikCheck provides an early warning of acid problems. The Yellow to Red color change allows you to easily and clearly communicate the need for action to the equipment owner.