NOVENTÃ† Locking Caps Seal Standard Schraeder Service Valves On All Central AC Units and Minisplits To Help Prevent Refrigerant Leakage.
- NOVENTÃ† Provides Dual Protection with A Single Screw-On Installation
- Safe Guard Your AC System's Efficiency and the Environment From Lost or Accidental Mixing Of Refrigerant Gases
- Help Protect Children From Serious Injury or Death Resulting From the Inhalation Of Dangerous Refrigerants
- Patented NOVENTÃ† Caps Are Precision Machined From High Grade Brass Surrounded By A Protective Aluminum Shroud and Can Only Be Installed and Removed with A Special Tool.