- The clever way Replacement air filter designed to fit your refrigerator captures and neutralizes odors - For a more pleasant cooling environment and improved hygiene - item in original packaging - All compatibility and technical details can be found below The refrigerator air filter neutralizes odors and enhances hygiene. Only with a fully functioning filter do your foods retain their original taste. Store strong-smelling foods without affecting the aroma of other items. For optimal performance, replace the filter approximately every 6 months. Package includes: - 4 x Air filters Technical specifications: - Material: Non-woven fabric / Activated carbon / Plastic - Color: Black - Weight per filter: 16 g - Dimensions: 4.2 x 4.2 x 1.5 cm Compatible with the following models (use Ctrl + F or Cmd + F to search for your model): Liebherr CB, Liebherr CBEF, Liebherr CBN, Liebherr CBP, Liebherr CN, Liebherr CP, Liebherr K, Liebherr KB, Liebherr KE, Liebherr KP, Liebherr MRB 2400, Liebherr MW 1800, 1801, 2400, 2401 Replaces original accessory: Liebherr WF091 High-quality replacement parts and accessories for long-lasting appliance performance.