- The clever way Replacement air filter for your refrigerator to absorb and neutralize odors, ensuring a more pleasant cooling environment and improved hygiene. Brand new item in original packaging. All compatibility and technical details are listed below. The refrigerator air filter neutralizes odors and helps maintain hygiene. Only with a fully functional filter do your foods retain their original taste. Store strong-smelling foods without affecting the flavor of other items. For optimal performance, 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 cycle: Every 6 months Compatible with the following appliance models (use Ctrl + F or Cmd + F to search for your model): 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