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Test Caps & Plugs

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About Us

LSP Products was founded by plumbers over 50 years ago with a focus on unparalleled innovation, superior product quality, and best-in-class service to the plumbing industry. Our primary focus is the new construction market where we develop products that make installations easy and provide significant cost savings to the plumbing/mechanical contractor. LSP has a manufacturing facility located in Monterrey, Mexico and a distribution center in Dallas, Texas. We are proud to offer many products designed and made in North America… About LSP

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