Camco's Replacement Fridge Airator Charcoal Packs are designed to keep your food fresher longer and help eliminate odors. This product works with Camco's RV Fridge Airator (#44124). Includes (3) charcoal packs. Note: Replace the charcoal pack monthly to stop odors and keep your Camco Fridge Airator working efficiently. Camco makes quality products for RVing, boating, camping, towing, tailgating, and grilling that help you take your passion for the outdoors to the next level.