The best and simplest way to install any drinking water or reverse osmosis system is with quick connect fittings.  John Guest fittings have been the industry standard for over twenty years, but recently Sea-Tech has produced a line of quick connect fittings that are economy-priced  with similar quality.  The tubing simply slides into quick-connect fittings, which secures it and prevents leaking.  The tubing can be easily removed by pushing in a collett and pulling the tubing out.  All fittings are constructed of NSF and FDA approved materials.  There are a variety of fittings and tubing sizes available for any tYpe of application from 1/4" 3/8" and 1/2" OD tubing.  If you need help in deciding which sizes or types you need, please call one of US WATER's application specialists at 1-800-608-USWA