- REDUCES KNOCKOUT OPENINGS FOR PROFESSIONAL INSTALLATIONS – Designed to reduce a 2-inch knockout to 3/4-inch trade size, providing a secure, code-ready solution for mounting conduit fittings in steel outlet boxes, electrical panels, cabinets, and other metal enclosures.
- HEAVY-DUTY GALVANIZED STEEL CONSTRUCTION – Manufactured from corrosion-resistant galvanized steel for long-lasting durability in demanding electrical applications. The rigid metal construction resists deformation during installation while maintaining dependable performance indoors and in harsh jobsite environments.
- PRECISION FIT FOR ELECTRICAL ENCLOSURES – Outside Diameter: 3.265 in. Inside Diameter: 1.06 in. Engineered to fit standard 2-inch knockouts with 3/4-inch conduit applications. Use one washer inside the enclosure and one outside for proper installation.
- VERSATILE FOR COMMERCIAL & RESIDENTIAL PROJECTS – Ideal for breaker panels, junction boxes, disconnects, cabinets, control panels, and other metal electrical enclosures where knockout size reduction is required. Suitable for electricians, contractors, maintenance professionals, and OEM installations.
- ORGANIZED BULK PACK FOR JOBSITE EFFICIENCY – Available in 25 Pack, 50 Pack, and 100 Pack options to support service vehicles, contractors, maintenance departments, and large installation projects while reducing downtime searching for the correct reducing washer.
- AIRMONT PRODUCTS QUALITY – Built for dependable electrical installations with precision manufacturing, durable galvanized steel construction, and consistent fitment professionals can trust. Electricians know us, and we know electricians.








