Specifically crafted for AIRNEX's Patented Collapsible Kitchen Compost Container, our charcoal compost lid filters also seamlessly fit other small compost bins. It's a discreet yet powerful solution for ensuring a fresh and odor-free experience when composting for sustainability. Key Features: 🍃 High carbon density that trap stink-causing particles from recycled food waste 🍃 Long-lasting, reliable odor control for 1-3 months 🍃 Pre-cut to 3.5 inches, ideal for small food waste compost bin 🍃 Versatile, can be used for deodorizing diaper pails, trash bins, litter boxes, and more Usage: When it's time, swap out the old home composter charcoal filter with a new one by pinching it out of the lid compartment. In case your compost bin for kitchen doesn't have a specialized slot for a compost carbon filter, you can use a double-sided tape for adhesion. Included in each unit: 12 pcs Kitchen Composter Filters in a 100% recyclable box packaging