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Mainline MLC-3 is a rubber test cap designed for various plumbing applications. The part number for this product is MLC-3. It is useful for sealing pipe ends during testing and maintenance work.
Effective sealing during plumbing tests, suitable for both residential and commercial use.
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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