The 3" Poly Dust Cap with Ring by SEALFAST is designed for effective sealing in dust collection systems. Made from durable polyethylene, this cap offers excellent resistance to wear and tear, ensuring long-lasting performance. The integrated ring allows for easy handling and secure attachment, preventing dust and debris from entering the system. The 3" size is compatible with standard fittings, making it a versatile choice for various applications. This dust cap meets industry standards for quality and reliability, making it a trusted solution for professionals.