The CF Series Compression Female Pipe Threads, 1/8 inch to 1/2 inch, with compression fittings ranging from 1/4 inch to 5/8 inch tube connection without kinking attached tubing. Available in NSF approved Glass-Filled White Polypropylene, FDA and NSF approved Acetal (POM) for use with hot water applications, FDA and NSF approved Nylon and UV resistant FDA and NSF-rated PVDF. Provided with Poly gripper (except for 1/8 inch units) for us up to 220 psi.