Product CM-FA-4RDB-MKO 0288-0477 4 Square Red Fire Alarm Specification Sheet - CM-FA-4RDB-MKO Specifications Cable Entry Knockouts Color Red Depth 2.125 Inches Insulation None Knockouts Sides (2) 1/2", Bottom (3) 1/2", (2) 3,4" Material 16 Gauge Steel Series CM-FA-4RDB-MKO Standard UL Type Deep, Octagon UPC 190010061815
