Parker's par-barb fittings are injection molded from high strength chemically inert white Nylon and Black polypropylene materials. Both materials are FDA and NSF-51 compliant. Par-barb fittings are specially engineered with a four barb design that generates the maximum gripping and sealing power when combined with a hose clamp. Available in barbed, pipe and Garden hose configurations ranging in sizes from 1/8" to 1-1/2". use with a variety of rubber tubing and hoses and the following Parker parflex division tubing.