Early Truma BO Boiler Ventilation Guard. Exhaust Cowl
Guard for the air inlet and air outlet of the camper or caravan boiler. Identical to the Truma BO exhaust cowl (Baureihe 1; until February 1992). Product number: 70000-20400. Dimensions: 125 x 200 mm. Material: ABS. Color: as desired. Also easy to spray over with car paint. You can also order it sprayed with car paint, for a small extra price.