Full Description
Counter balanced design - lid covers exhaust opening when engine is off; lid pivots open when exhaust air escapes. Material of construction: carbon steel, Zinc plated Fits exhaust stack outside diameters of 6 inches (DOES NOT FIT 6 INCH NPS PIPE: See KRC6.6), includes all mounting hardware
For square cut exhaust stacks - does not fit 45 degree cut stack openings. Operates in