The FIL-PH-IL-HI CAP-.25QC filter cap by Watts Regulator Company is designed for effective filtration in plumbing systems. This model features a durable construction with a high-quality plastic body, ensuring longevity and resistance to corrosion. The .25QC connection allows for easy installation and compatibility with standard piping systems. Ideal for residential and commercial applications, this filter cap helps maintain system efficiency by preventing debris and contaminants from entering the plumbing network. Its compact design ensures it fits seamlessly into various configurations.