Waterproof Recessed P11 Profiles require a customised cover to ensure water tightness. Detailed here is a P11 Profile and Opal Diffuser Cover kit, the cover made of robust polycarbonate that is also inflammable and weather resistant. Fitting this cover not only evenly distributes light and eliminates hot spots, but makes it suitable for both interior and exterior applications ensuring water tightness of the light source. Simply click into place and seal with a neutral silicone. This 1000mm kit is easily cut to length.