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The Eastman 40471 heavy-pattern air gap is an assembly for kitchen sink installations that prevents wastewater backflow and protects drain lines. The unit features a brass outer cap with a brushed-nickel finish, a plastic inner body, and includes a rubber washer, nut, and extension. The assembly measures 6-7/8 inches in length and is UPC approved for dishwasher and disposer connections.
Heavy-pattern air gap assembly with brass outer cap, plastic inner components, and UPC approval for dishwasher and disposer connections.
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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