The SEALFAST Dust Cap is specifically designed to fit male fittings of 1 1/2" and 2" sizes, providing a secure seal to prevent contamination and damage. Made from high-quality materials, this cap ensures durability and longevity in various environments. Its easy-to-use design allows for quick application and removal, making it an essential accessory for maintaining the integrity of your plumbing systems. This dust cap is ideal for both industrial and commercial applications, ensuring that your fittings remain clean and functional.