Size(H)600mm X (W)1000mm - 6060 BTU. (H)600mm X (W)1200mm - 7272 BTU. (H)600mm X (W)1400mm - 8484 BTU. (H)600mm X (W)1600mm - 9696 BTU. Product Features. Deep double panel double convector radiator with top grille and side panel. Minimalist design with a smooth steel front and suitable for the more modern settings, in living rooms, dining rooms and kitchens. Also ideal for narrow wall spaces (i.e. either side of the patio doors / bay windows). The Apollo Milano has a minimalist design with a smooth steel front. Please see diagram above for installation details. Carries a 5- year guarantee.