

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The SOUTHWARK METAL MC-58-5X4 is a round tapered reducer that connects ventilation ducts with different diameters. This product converts a five-inch duct to a four-inch duct. Made of hot-dipped galvanized steel, it offers durability and a secure transition between duct sections.
The reducer is essential for HVAC systems that require duct size changes to ensure efficient airflow.
Thanks for subscribing!
This email has been registered!