Check the listing for details. WEN DCA003 4Inch Y-Fitting Dust Hose Splitter Connection-Dust Collection Systems. Condition: New. Listed at 22.15 USD. Remember when you had a clean workshop? Split the power of your dust collector between two woodworking machines with the WEN 4-Inch Y-Fitting Dust Hose Splitter. This useful adapter installs easily, splitting a standard 4-inch dust collection port out into two. The durable ABS plastic construction provides maximum efficiency to your dust collection system when properly connected. Each 4-inch connection side measures in at 94mm inner diameter and 100mm outer diameter. Compatible with WEN dust hose models 28200 and 28221. Remember when you had maximum suction? Remember WEN.Split the power of your dust collection system between two woodworking machinesY-fitting design provides smoother and more efficient suction when compared to similar T-style splitter fittingsConstructed from durable and long-lasting ABS plasticEach 4-inch connection measures in at 94mm inner diameter and 100mm outer diameterUniversal design compatible with the majority of 4-inch dust hoses on the market