Introducing our ABS Plastic Dust Collection Hose Reducers – the perfect solution for seamlessly connecting a 4" dust collection hose to a 6" hose. Please note that these fittings are not compatible with PVC pipe or other plastic fittings. Crafted for ease of use, the overall length of these reducers is 5.75", featuring a strategically placed flange between the 4" and 6" sections. This flange allows for effortless assembly and disassembly, providing convenience in adapting your dust collection system to your specific needs. The smaller end of the reducer boasts an opening with an OD of 3.90" and a shoulder height of 3.25", while the larger end features an opening with an OD of 5.90" and a shoulder height of 2.625". The thoughtful design ensures a secure and effective connection between hoses of different sizes. Constructed from robust 1/8" thick ABS abrasion-resistant plastic, these reducers are engineered to withstand the abrasive nature of wood chips and sawdust, ensuring durability and longevity. Economically priced, they provide a cost-effective solution to enhance your dust collection system's performance. For safety reasons, it's crucial to properly ground all dust collection systems with plastic fittings to minimize the potential for static electricity buildup. Upgrade your dust collection setup confidently with our ABS Plastic Dust Collection Hose Reducers – the reliable choice for maximum performance in your woodworking projects.