CxC Isolation Valve Lever Operated 1/2" Nickel plated brass Fitting instructions included Bleeds air from water systems Easy to fit Easi Plumb 1/2" Compression Ball Valve Lever Operated | Ep15ivl The Easi Plumb Lever Operated Isolation Valve is a straight nickel plated valve which is fitted in-line to enable air to be bled from a water system. This lever operated valve is nickel plated and full fitting instructions can be found on the back of the packaging.