Neff Z52JXC1N1 Clean Air Recirculation Module in stainless steel is a premium solution for efficient and effective air recycling. This Clean Air standard recirculation kit with connection pipe front, side, or top is best for recirculation operation. It will create a fresher and healthier kitchen environment for your family. This efficient filter recirculates the air to keep bad food odours at bay by absorbing the grease residue left behind after use.