FILTAPAC 1 x Filter Housing in White.(Filter not Included) Replacement Housing for the Carver/Truma Crystal MK2. Cut Out Size. Height 150mm x Width 95 Overall Dimensions. Height 180mm x Width 130mm x Depth 200mm Available Separately: Fl20101 (single) Filtapac Water Filter Cartridge or Fl101 (box of 20) Filtapac Water Filter Cartridge. Sold in singles or Outer Boxes x 5