Compatibility: Our activated charcoal odor filter is compatible with itouchless 8 gallon and larger. Dimension: 2.7" (W) x 4.6" (L). Wide Application: Our trash can deodorizer can also be used in refrigerators, drawers, closets, shoe cabinets, etc. Package Include: 8 Packs garbage can deodorizer. Replace each odor filter every 3 months for optimum performance. Dimension: 2.7" (W) x 4.6" (L).