Convenient, Practical & Leakproof Plugs: The Rubber Scupper Plug is a twist/turn pipe plug for a leak proof seal; The Stainless Steel and Nitrile Butadiene Rubber (NBR) construction makes this plug resists heat, anti-freeze, oil and rust inhibitors, wear-resistant, wet-dry versatile and airtight; Sturdy and Durable, Not Easy To Deform.
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