Firestop tested for up to 3 hours, when used in conjunction with a 4-inch (101.6 mm) 3M™ Fire Barrier Cast-In Device, in accordance with ASTM E 814 (UL 1479)
For use with 4" diameter (101.6 mm) metallic or non-metallic pipe penetrating flat concrete decks (see technical data sheet for additional details)
One-piece, all-plastic, factory-made construction helps assure consistent quality
Red color easily identifiable as fire-rated device
Adapts 4-inch (101.6mm) 3M™ Fire Barrier Cast-In Device (may be used with metallic or non-metallic device models) for use on flat concrete decks to accommodate the installation of an aerator adaptor at the underside of the slab. For use with drain, waste and vent or closed pipe systems.