Dottie RW109 Washer, 4" 3-1/2" Reducing Washer

Get clean, reliable knockout reductions without improvisation. The Dottie RW109 reducing washer is a purpose-built washer for electrical and low-voltage installers who need to convert a 4-inch knockout down to a 3-1/2-inch opening quickly and consistently. Made from carbon steel with a galvanized finish, this reducing washer resists corrosion in enclosure, cabinet and outdoor security applications. Using the RW109 eliminates awkward gaps and makes it easy to mount conduit, cable glands or conduit hubs inside metal enclosures and network cabinets. Each pack contains 10 washers for fast deployment across multiple panels or security camera junction boxes. Designed with professional installers in mind, the Dottie reducing washer helps streamline surveillance, monitoring and IT rack installations by improving fit and reducing installation time. If you manage security, networking or electrical enclosures, the RW109 is a simple, durable accessory that prevents knockout mismatches and keeps projects on schedule. Order a pack today to standardize knockout reductions across your next job.

• Simplifies knockout resizing to save installation time and reduce field rework
• Galvanized carbon-steel construction delivers corrosion resistance for long-term reliability
• Precisely converts 4-inch openings to 3-1/2-inch to ensure compatibility with common fittings
• Ideal for metal enclosures, cabinets and network racks—speeds security and surveillance deployments
• Packaged in quantities of 10 for consistent inventory and efficient jobsite use