10" Room Sealed Flue Ceiling Ring

RSF10 is 10inch inner SS flue and 12inch outer SS flue

RSF10-CR suits 0° to 8° pitch ceiling
RSF10-CR15 suits 9° to 18° pitch ceiling
RSF10-CR22 suits 18° to 28° pitch ceiling
RSF10-CR30 suits 28° to 38° pitch ceiling
RSF10-CR45 suits 38° to 47° pitch ceiling