{"product_id":"schaefer-brush-43384-spiral-tube-brush-6-in-tempered-steel","title":"Schaefer Brush 43384 Spiral Tube Brush 6 in Tempered Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SCHAEFER BRUSH 43384 is a double stem spiral tube brush built for cleaning the interior walls of tubes, pipes, and cylindrical passages. It features a tempered steel wire fill that delivers aggressive scrubbing action against scale, deposits, and debris. The brush measures 6 inches in diameter with a 4.5-inch brush length and a 7.5-inch overall length. It connects via a 1\/4 inch male NPT fitting, making it compatible with standard threaded extensions and drive handles. Plumbers, HVAC technicians, and industrial maintenance professionals rely on this style of brush for boiler tube cleaning, heat exchanger service, and pipe rehabilitation work.\u003c\/p\u003e\n\u003cp\u003eThis tube brush is suited for residential and commercial maintenance applications where internal tube surfaces require mechanical cleaning. Typical use cases include boiler and chiller tube cleaning, condenser tube service, and drain line maintenance. The double stem spiral construction holds wire fill securely and maintains consistent contact pressure along the full brush length. The 1\/4 inch male NPT connection allows the brush to be threaded onto standard extension rods or motorized drive equipment used in tube cleaning operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e6-inch diameter fill for thorough tube wall contact in matching bore sizes\u003c\/li\u003e\n  \u003cli\u003eTempered steel wire construction resists deformation under repeated use\u003c\/li\u003e\n  \u003cli\u003e4.5-inch brush length provides extended cleaning surface in a single pass\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch male NPT connection threads onto standard extension rods and drive tools\u003c\/li\u003e\n  \u003cli\u003eDouble stem spiral design secures fill wire and maintains brush shape during use\u003c\/li\u003e\n  \u003cli\u003eCompact 7.5-inch overall length suits confined-access tube cleaning scenarios\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 1\/4 inch NPT threaded extension rods and tube cleaning drive equipment. Suitable for tubes and bores with an internal diameter matching or close to 6 inches.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThread the 1\/4 inch male NPT fitting onto a compatible extension rod or drive handle before inserting the brush into the tube bore. Ensure the connected equipment is powered off and depressurized before beginning any tube cleaning procedure. Plumbers and HVAC mechanics typically perform this work; follow applicable safety and maintenance codes for the system being serviced. Inspect the brush fill for wear or deformation after each use and replace if wire strands are damaged or missing.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Diameter\u003c\/strong\u003e: 6 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\u003eOverall Length\u003c\/strong\u003e: 7.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: NPT\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\u003eBrush Material\u003c\/strong\u003e: Tempered Steel Wire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.68 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: 43384\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHAEFER BRUSH","offers":[{"title":"Default Title","offer_id":51540686831922,"sku":"43384","price":36.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/824b18872ad7fefc124c3f0a3d165d27.jpg?v=1785861941","url":"https:\/\/voomisupply.com\/products\/schaefer-brush-43384-spiral-tube-brush-6-in-tempered-steel","provider":"Voomi Supply","version":"1.0","type":"link"}