Dometic Roof Fridge Vent Base, New style.
Sturdy Plastic, for use with Dometic / Electrolux fridges where venting is to be via the roof. Note: The style changed in 2010.
Roof Vent Cap part number 3311246 (sold separately)
Suits fridges up to 200L capacity
Ceiling cut out required 160mm x 600mm
Mounting holes for cap 135mm x 555mmm