Re-enterable cable protection.

• Up to 4-hour fire ratings per ASTM E 814 (UL 1479)
• Available sizes: 2″ round, 2-1/2″ square, 4″ round and 4″ square
• UL classified L-rating, Smoke Seal (when used in conjunction with 3MFire Barrier Moldable Putty)
• Hinged for easy retrofit installation around cables
• Mounting brackets accessories available for wall or floor installations
• Single mounting brackets (all models)
• Triplex and sixplex brackets for stacking multiple devices (4″ square only)