Product Details: The Apsco Air Pressure Regulator with Panel Nut 1/4" Ports is designed to provide precise control over the flow of air to various components of the air conditioning system. Constructed with superior materials, this regulator is designed to withstand the toughest conditions and provide long-term use. The panel nut allows for easy installation and the 1/4" ports provide a secure connection. With its reliable performance and superior construction, it is the perfect choice for any air conditioning system. FleetPride is your First Click in Heavy Duty®.