This Rheem collar is a component designed for use in HVAC (Heating, Ventilation, and Air Conditioning) systems. The product, characterized by its blue color, is primarily used to create a secure connection between different parts of the HVAC system. Manufactured by Rheem, a leading company in the HVAC industry, this collar is made from high-quality materials that ensure durability and longevity. It is designed to withstand varying temperatures and pressures typically encountered in HVAC systems. The collar's dimensions are standardized to fit most Rheem HVAC units seamlessly, ensuring efficient operation of the system.