Hercules offers premium Spiral Reducers designed to decrease or increase spiral duct pipe in your HVAC system. It features 24-gauge, galvanized steel construction. Both ends slightly undersized for connection to spiral pipe.

• HVAC part used to connect 8 in. Spiral Pipe to 6 in. Spiral Pipe
• 24-gauge, galvanized steel construction
• Both ends slightly undersized for connection to Spiral Pipe
• Also used to increase Spiral Pipe size
• Seal and insulate if needed