This 3-layer activated carbon filter offers an unprecedented level of defense against unwanted odors in your home. * Product features: * This 3-layer carbon filter is specially designed to combat common cooking and cleaning odors and to reduce airborne VOCs such as ammonia, acetone, and formaldehyde. * It is compatible with the HEPA odor and VOC filter for the large Leitz TruSens Z-3000 air purifiers. * To ensure the air purifier continues to operate optimally, it is recommended to replace the odor and VOC carbon filter every 3 months (depending on usage). * This carbon filter is a replaceable part of the HEPA Odor & VOC filter. * Compatible with the HEPA Odor & VOC filter for the large Leitz TruSens Z-3000 air purifiers. * The red indicator light on the air purifier will turn on when the filters need to be replaced. * Size: 20.87x21.2cm. * Used with 2415125. * Optimal effectiveness against odors and VOCs. * The package contains: 1 carbon filter.