Compatibility: Compatible with Petlibro Automatic Cat and Dog Feeders, models PLAF001, PLAF002, PLAF101, PLAF005, PLAF006, PLAF103, and PLAF203. Please note, these desiccant packets are not produced or sold by Petlibro. They are also compatible with other feeders of the same size, fitting perfectly in the drying box inside the lid. Keep Pet Food Dry and Fresh Upgraded Desiccant Bag: Pet food desiccant bag is used to keep cat and dog food fresh and maintain dryness, effectively to prevent pet food from moisture, ensure your pet can enjoy fresh food at all time Material: Desiccant bag is made of non-woven fabric, silica gel, deoxidizer and activated charcoal, which can effectively keep the food fresh and dry, so that every bite of food your pet eats stays fresh. Desiccant bags for pet feeders help keep pet food dry, and coworkers avoid direct contact between desiccant bags and pet food Regular Replacement:It is recommended to replace the desiccant bag every half a month to ensure the freshness and hygiene of the pet food (the frequency of replacement can be decided on a case-by-case basis depending on the inclement weather and the quantity of food) Tips:Each pack of desiccant is individually wrapped to ensure long term storage. Do not unpack before use or it will oxidize prematurely. Please store the desiccant bag in a dry environment Pet Food Desiccant Bag