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Our full line of Made in the U.S.A. inset Knock Out Test Plugs are designed for easy and economical leak testing of your plumbing system before final installation. Plugs can be knocked out with a hammer once testing is completed. See flyer for product technical drawings RMC Knock Out Test Plugs -
RMC Plastics Sewer Relief Valve installs easily into your existing clean-outs. See flyer for additional product information RMC Sewer Relief ValvesFind a supplier near you to purchase this product.