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This fitting connects 3½ in. corrugated pipe to 4 in. corrugated pipe. It can be used as a reducer or increaser, making it easy to transition between sizes. Made from durable HDPE, it installs quickly and provides a secure, reliable fit for your drainage system. Installation is easiest when the larger diameter pipe is installed first.
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Sale!Built to last, our coupler is made from the strongest material on the planet, HDPE, which boasts a lifespan of up to 500 years. Not only is HDPE durable, but it’s flexible enough to withstand underground buried downspouts, which is crucial when the ground settles and shifts over time.
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Sale!Introducing the ultimate solution for connecting 4 in.PVC to 3½ in Corrugated – our HDPE coupler. Built to last, our coupler is made from the strongest material on the planet, HDPE, which boasts a lifespan of up to 500 years. Not only is HDPE durable, but it’s flexible enough to withstand underground buried downspouts, which is crucial when the ground settles and shifts over time.
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Sale!Built to last, our coupler is made from the strongest material on the planet, HDPE, which boasts a lifespan of up to 500 years. Not only is HDPE durable, but it’s flexible enough to withstand underground buried downspouts, which is crucial when the ground settles and shifts over time.
