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The GRUVLOK 0390028629 is a four inch by two inch grooved concentric reducer made from ductile iron. This fitting is created to allow smooth transitions in piping applications while maintaining low pressure drops.
Ideal for various plumbing and HVAC applications where space efficiency is important.
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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