The 3" Dust Cap Self-Locking Stainless Steel by SEALFAST is designed for secure sealing in dust collection systems. This cap features a self-locking design that ensures a tight fit, preventing contaminants from entering the system. Constructed from high-quality stainless steel, it offers superior corrosion resistance and durability. The 3" size is compatible with standard dust collection fittings, making it a versatile choice for various industrial applications. This dust cap meets stringent quality standards, ensuring reliable performance in demanding environments.