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Enhance your plumbing projects with our durable Coupling Insert made from high-quality nylon. This reliable insert is designed for 1-inch to 1-inch connections, ensuring a tight and leak-free seal. Its lightweight yet robust construction helps prevent corrosion and ensures longevity, making it ideal for various plumbing applications. Easy to install, this coupling insert will provide peace of mind for both DIY enthusiasts and professional plumbers alike.
