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The Mainline ML4HDNHC is a four-inch heavy-duty no-hub coupling made of stainless steel. It is designed to connect two pipes securely without the need for additional fittings. This product is ideal for plumbing and HVAC applications where reliable connections are essential.
This coupling ensures a tight seal and is built to withstand heavy-duty use in various plumbing applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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