• Size & Compatibilty – The 20" to 18" round metal pipe reducer & increaser 30 gauge is compatible with duct 20" to 18". Made in the USA
• Premium Quality – We can proudly say our galvanized ducting connector is made of high-quality galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection.
• Applications – This HVAC duct reducer & increaser is used to connect two air ducts of different diameters to create seamless ventilation. Perfect for use with either flexible duct or rigid sheet metal.
• Design – It is easy to connect consecutive joints or for sheet metal fittings and flexible ducts. The Snap-On system makes for an easy installation.

Upgrade your HVAC system effortlessly with our premium galvanized Ducting Connector. Crafted from high-quality galvanized sheet metal, it ensures a secure and seamless connection with its crimped ends and snap-lock design.

This 20" to 18" round metal pipe reducer & increaser (30-gauge) is proudly made in the USA and compatible with ducts ranging from 20" to 18".

Whether you're working with flexible ducts or rigid sheet metal, this HVAC Duct Reducer & Increaser simplifies your ventilation needs.

Connecting consecutive joints or fitting sheet metal is a straightforward process with our Snap-On system, ensuring hassle-free HVAC enhancements.

HVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.

We carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!