3M Fire Barrier Pillow, Small, 2"x4"x9"
$0.00 / EACH
Interlocking strips allow quick and secure pillow installation in floors or walls. Pillows remove easily when adding new services. Self-contained, intumescent product for use in a wide variety of through-penetration firestops including cable trays, conduit and blank openings. Provides up to 3-hour fire protection.