{"product_id":"schaefer-brush-43862-spiral-tube-brush-3-5-in-stainless-steel","title":"Schaefer Brush 43862 Spiral Tube Brush 3.5 in Stainless Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SCHAEFER BRUSH 43862 is a double stem spiral tube brush designed for cleaning the interior of tubes, pipes, and cylinders. It features stainless steel bristles and a stainless steel brush construction, making it suitable for demanding cleaning applications where corrosion resistance and durability are required. The brush measures 3.5 inches in diameter with an overall length of 7.25 inches and a brush length of 4.5 inches. It connects via a 1\/4 inch NPSM male fitting, allowing it to be attached to standard threaded extension handles or drive equipment. Licensed trade professionals and maintenance technicians use this brush for tube and pipe cleaning tasks in HVAC, plumbing, and industrial service applications.\u003c\/p\u003e\n\u003cp\u003eThis tube brush is suited for residential and commercial service environments where interior pipe and tube surfaces require mechanical cleaning. The 3.5 inch diameter makes it appropriate for cleaning condenser tubes, heat exchanger tubes, drain lines, and similar cylindrical passages of corresponding bore sizes. The 1\/4 inch NPSM male connection is compatible with standard threaded brush extension rods and machine drive adapters commonly used in tube cleaning setups.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble stem spiral construction provides thorough contact with tube interior walls\u003c\/li\u003e\n  \u003cli\u003eStainless steel bristles resist corrosion and withstand aggressive cleaning environments\u003c\/li\u003e\n  \u003cli\u003e3.5 inch brush diameter for cleaning tubes and pipes of matching bore size\u003c\/li\u003e\n  \u003cli\u003e4.5 inch brush length covers meaningful tube sections per pass\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch NPSM male connection for use with standard extension rods and drive equipment\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.56 pounds for easy handling and extended use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 1\/4 inch NPSM threaded extension handles and tube brush drive systems. Suitable for cleaning tubes and cylindrical passages with an interior bore corresponding to the 3.5 inch brush diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThread the 1\/4 inch NPSM male fitting securely onto a compatible extension rod or drive adapter before use. Ensure the tube or pipe being cleaned is depressurized and isolated from service before inserting the brush. Use appropriate personal protective equipment when cleaning tubes that have carried chemicals, refrigerants, or other hazardous media. Follow facility or jobsite safety protocols for confined space and chemical exposure where applicable.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Diameter\u003c\/strong\u003e: 3.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 7.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Length\u003c\/strong\u003e: 4.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: NPSM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Gender\u003c\/strong\u003e: Male\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBristle Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.56 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SCHAEFER BRUSH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 43862\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHAEFER BRUSH","offers":[{"title":"Default Title","offer_id":51542698164530,"sku":"43862","price":44.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3a3e70807118d019cf69ab6b4e8b210e.jpg?v=1785904618","url":"https:\/\/voomisupply.com\/products\/schaefer-brush-43862-spiral-tube-brush-3-5-in-stainless-steel","provider":"Voomi Supply","version":"1.0","type":"link"}