This set of 3 galvanized steel couplers, each measuring 3 inches in diameter, is a must-have for any HVAC or refrigeration system. The round shape of these couplers ensures a smooth and efficient connection, while the durable galvanized steel material provides long-lasting protection against corrosion and wear.

Ideal for use in business and industrial settings, these HVAC dampers are a crucial component for any HVAC or refrigeration system. Whether you're a professional HVAC technician or a DIY enthusiast, this set of 3 couplers is sure to meet all your connecting needs.