Freshness and nutrition guaranteed. Environmentally friendly materials. High moisture absorption rate. Moisture-proof and freshness guaranteed. Safe and environmentally friendly materials for stronger moisture absorption. Eco-friendly desiccant cartridges with strong moisture absorption and moisture-proof properties effectively guarantee the quality and freshness of pet food, slowing down oxidation and preserving nutritional value. Environmentally friendly materials. Moisture-absorbing and moisture-resistant. Food stays fresh longer. Easy to install and damage-resistant. The desiccant particles have good strength and cannot be easily pulverized, it features a double anti-breakage design with PET cotton + ABS, easy to install and prevents the desiccant from breaking. Smart desiccant expiration date reminders on your phone: Pair with Mi Home/Xiaomi Home app to receive smart desiccant expiration date reminders on your phone. Cartridge replacement: Press the safety lock on the feeder body and remove the lid as shown in the figure. Insert the desiccant into the slot on the lid, rotate until it aligns with the arrow LOCK mark to secure it in place. Xiaomi Smart Pet Food Feeder Desiccant Cartridge. Name: Xiaomi Smart Pet Food Feeder Dryer Cartridge.