The Petkit Tofu Litter Sifter is designed exclusively for the Purobot Ultra self-cleaning and self-sealing cat litter box, ensuring efficient separation of clumped and clean litter. Compatible with mixed, tofu, and other clumping litters with particle sizes up to 12.7 mm, it helps reduce litter waste while maintaining optimal performance of the automatic cleaning system. Made from high-quality ABS plastic, the sifter is durable, washable, and odor-resistant, ensuring long-lasting hygiene and easy maintenance. Simple to install and remove, the sifter securely locks into place and can be detached effortlessly when needed. Its precise filtration extends the usability of clean litter, making it an eco-friendly and cost-effective solution. Note: This litter sifter is only compatible with Purobot Ultra and not suitable for Pura Max, Pura Max 2, or Purobot Max Pro. The Petkit Tofu Litter Sifter is the perfect choice for pet owners looking for efficient filtration, reduced litter consumption, and enhanced hygiene in their cat’s self-cleaning litter box.