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The PRO-SOURCE MB700436 is a nylon strip brush designed for surface finishing, sealing, and guiding applications across industrial and trade settings. The brush features a metal back strip measuring 5/16 inches wide and black nylon bristles extending 2 inches in length. The overall assembly spans 36 inches, making it well suited for continuous runs along conveyor edges, door frames, machine tool enclosures, and panel gaps. Installers cut the strip to length as needed for the specific mounting surface. The nylon bristle material resists moisture, mild chemicals, and abrasion under normal service conditions.
Strip brushes of this type are used in HVAC and building construction to seal gaps around duct penetrations, wire and pipe chases, door sweeps, and equipment enclosures. They also appear in light manufacturing for guiding workpieces, containing debris, and reducing air infiltration along machine openings. The 36-inch length accommodates most standard residential and light commercial framing dimensions and can be trimmed or segmented on site without special tooling.
Designed as a general-purpose strip brush for use in standard metal or plastic channel retainers accepting a 5/16 inch back strip width in industrial, HVAC, and light construction applications.
Strip brushes are typically installed by maintenance technicians, HVAC installers, or general tradespeople using tin snips or a hacksaw to trim the assembly to the required length. Secure the metal back strip into the appropriate retainer channel or fasten directly with screws or adhesive as the application demands. Ensure the mounting surface is clean and free of debris before installation. When used in powered equipment or conveyor applications, de-energize the equipment fully before fitting the brush assembly.
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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