3M 4MCID PIPE CAST-IN DEVICE 4 IN. FOR METAL PIPE

3M 4MCID - PIPE CAST-IN DEVICE 4 IN. FOR METAL PIPE - FIRESTOP PIPE CAST-IN DEVICE FOR PIPE SIZE 4 IN. FOR USE WITH METAL PIPE HEIGHT 2-1/2 IN TO 8 IN. RED/BLACK UP TO 3 HR FIRE RATING MATERIAL PLASTIC STANDARDS UL LISTED - EQUAL TO G3404651