With home composting becoming more popular, this low cost compact 5ltr model features all of the benefits of it larger capacity counterparts.The activated carbon filter, housed in the lid, contains any unpleasant odours.The filter lasts 3 to 4 months and refill packs are available separately.Dimensions: 21.5cm (8.5″) Long 16.5cm (6.5″) Wide 20cm (8″) High