Charcoal filters fit inside the lid of help to absorb odours. Each filter is 5.5 inches in diameter, round. Made as replacement filters for Norpro’s ceramic compost keepers, items #83, #93, #93R and #93EB.
Filters should be changed approximately every 6 months.
Measures: 5.5″ x 5.5″ / 14cm x 14cm. Package includes two filters.