- The Smart Way Replacement refrigerator air filter for odor absorption and neutralization. Improves interior air quality and hygiene. Brand-new item in original packaging. Full compatibility list and technical specifications below. This refrigerator air filter neutralizes odors and enhances hygiene. Only with a fully functional filter can your food retain its original flavor. Store strong-smelling foods without affecting the aroma of other items. For optimal hygiene, replace the filter approximately every 6 months. Package Includes: 2 x Air Filters Technical Specifications: Material: Activated carbon / Plastic Color: Gray Weight per filter: 21 g Dimensions: 4.2 x 4.2 x 0.9 cm Replacement interval: Every 6 months Compatible with the following models (use Ctrl+F or Cmd+F to search): Liebherr CBNa 572i-22A, CBNbbd 5223-20A, CBNbbd 5223-20B, CBNbda 5223-22A, CBNbda 5723-20A, CBNbda 5723-20B, CBNbda 5723-20C, CBNbda 572i-22A, CBNbdc 5733-20A, CBNbdc 5733-20B, CBNbdc 573i-22A, CBNbsa 5753-20A, CBNbsa 5753-20B, CBNbsa 575i-22A, CBNbsc 576i-22A, CBNbsc 778i-20A, CBNbsd 576i-20A, CBNbsd 576i-20B, CBNbsd 578i-20A, CBNbsd 578i-22A, CBNc 5223-22A, CBNc 5723-22A, CBNd 5223-20A, CBNd 5223-20B, CBNd 5723-20A, CBNd 5723-20B, CBNpcd 5223-20B, CBNsda 5223-22A, CBNsda 5723-20A, CBNsda 5723-20B, CBNsda 5723-20C, CBNsda 572i-22A, CBNsda 5753-20A, CBNsda 5753-20B, CBNsda 575i-22A, CBNsdb 5753-20A, CBNsdb 575i-22A, CBNsdb 775i-20A, CBNsdc 5223-20A, CBNsdc 5223-20B, CBNsdc 522i-22A, CBNsdc 5733-20A, CBNsdc 573i-22A, CBNsdc 5753-20A, CBNsdc 575i-22A, CBNsdc 765i-20A, CBNsfc 5223-22A, CBNsfc 522i-20A, CBNsfc 522i-20B, CBNsfc 572i-22A, CBNsfc 572i-22B, CBNsfc 57vi-22A, CBNsfd 52