Introducing the 4-Inch T-Fitting by POWERTEC.This handy t shaped connector optimizes your dust collection system's performance by allowing you to add branches (connections) to your set-up without compromising its efficiency. It creates a secure and airtight connection to ensure that harmful dust, dirt and debris is sucked and extracted directly into your dust collector. This dust collector hose adapter is ideal for professionals, hobbyists and workshops where space or machine design constraints are a concern.Application Versatility- Facilitate a dual hose connection from a single main dust hose line.- Connect two separate machines directly to the dust collector's main hose.Premium BuildThe POWERTEC T-Fitting is made out of high quality ABS plastic. This lightweight material is commonly known for it's super durability and abrasion resistance – both qualities excellent for any workshop or woodworking environment that depends on high performance dust extraction.T-Shaped Fitting Dimensions4-Inch OD nominal ends measure 3-61/64-Inch O.D. and 3-43/64-Inch I.D.POWERTEC is a leading manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry.