Breathe nothing but pure air free of dust or germs by installing the Philips NanoProtect Active Carbon Replacement Filter FY2420/30 in your homes. This filter is specially designed to get rid of pesky odours to keep your home smelling fresh always. With an active carbon filter, this unit helps reduce the admission of TVOCs into your homes. This honeycomb-structured active carbon filter, when unfolded, equals an absorption area equal to 43 football courts for consistent protection for up to 12 months. Thanks to this filter's unique design, it helps limit the inhalation of harmful gases for a healthier life.-Black and Silver-Size (38.2x29.4x2)