Shop3M > Shop by Product Category > Fire Protection > Fire Barrier Plastic Pipe, Collars and Accessories > 3M™ Fire Barrier Wrap Strips and Restricting Collars > 3M™ Fire Barrier RC-1 Restricting Collar
3M™ Fire Barrier RC-1 Restricting Collar
Works in conjunction with 3M™ FS-195+ Wrap/Strip or 3M™ Interam™ Ultra GS. 28-gauge steel. Convenient 25-foot (7.6 m) roll - cut only what you need. Required for firestopping plastic pipes larger than 4 inches (101 mm) in diameter.
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