PETKIT Trash Bag Refill Rings for Purobot Ultra Auto-Packing Self-Cleaning Cat Litter Box, Leak-Proof Replacement Waste Bags, Long-Lasting Trash Bags -4 Packs

Refill Ring: Includes 4 pieces, exclusive for PETKIT Purobot Ultra self-cleaning and auto-packing cat litter box. | Smooth Auto Waste Packing: The refill ring works exclusively with the patented auto-packing system, ensuring a perfect seal every time, even if the waste bin overflows. Kindly Note: The refill ring is non-removable. Please use the original PETKIT refill ring to prevent malfunctions in the auto packing system. | Durable Trash Bags: PE trash bags offer the ideal balance between durability and sealing efficiency, ensuring the trash bag provides an odor-free, leak-proof seal. | Long-lasting Refill Bag: Each refill ring can pack approximately 10 times, and the waste bin can hold one cats waste for up to 20 days. Please Note: The actual frequency may vary based on your cat's litter box usage habits and specific packing needs. | Get Reminders for Replacement: With visible warning marks on trash bag to remind you to refill the waste bag ring. And you can also get timely notifications via app when the trash bag is running out. | Effortless Installation & Replacement: The refill ring features an integrated and sleek design that makes installation and replacement easy.