Oatey? FUSION? Single-Step Clear Self-Priming Medium Bodied PVC Cement is recommended for residential and DIY plumbing projects. Saving time, money and cleanup, it eliminates the extra step of priming in PVC projects, while also applying easily with included in-lid dauber and providing a neat, transparent finish. This clear, low odor, medium bodied cement can be used to solvent weld all schedules and classes of PVC pipe and fittings up to 4 in. and non-pressure applications up to 6 in. with interference fit. Oatey products have earned the trust of plumbing professionals for over 100 years.