Speedi-ProductsEX-PI 34 3-Inch to 4-Inch Round Plastic Increaser

Description

Speedi-Products 3-Inch- 4-Inch Plastic Increaser. Used in adapting 3-Inch to 4-Inch to oval exhaust air duct systems for dryers, exhaust fans and range hoods that need turns through 90-Degree and are simple to adjust. Can be used for Remodeling, Do it yourself and New Residential projects.