Which cat litter box has the largest capacity?

The homerunPET CS106 is an extra-large, app-connected self-cleaning litter box with a 106 L interior, 12 L waste drawer, and 4.5 L auto-refill reservoir. It uses a rotating sifting drum, multiple safety sensors, and included deodorizer to reduce odor and maintenance, aimed at multi-cat or large-cat households.

The homerunPET CS106 is a large, app-enabled self-cleaning litter box with a 106 L dome, 4.5 L auto-refill reservoir, and a 12 L sealed waste drawer. It uses a rotating sifting system, multiple safety sensors, and includes deodorizer, filters, and tool-free disassembly for deep cleaning, making it suited to multi-cat households and large cats. Quiet operation (~34-38.8 dB) and an app for monitoring complete the feature set.

Open-top, high-walled litter pan with a scatter shield and smooth interior for easy cleaning; available in Large and XXL sizes to suit bigger or multiple cats. Designed to reduce litter scatter and simplify maintenance with durable plastic construction and removable components. Suits households needing a roomy, open-access box rather than a covered/self-cleaning unit.

The Neakasa M1 is an open-top, self-cleaning automatic litter box with an internal rotating drum that separates waste into a sealed bin. It features infrared and weight sensors for safety, an 11.23 L waste bin, odor-sealing systems, app control, and is suitable for cats up to 33 lbs. It suits multi-cat homes seeking reduced daily scooping and strong odor control.

The SNOW+ is a modular, sensor-triggered automatic litter box with a rotating sifting system, TiO2-based odor control, a 10 L auto-sealing waste drawer, and a magnetic design for easier deep cleaning. It targets multi-cat households and owners who want reduced odor, tracking, and hands-on scooping.

Stainless-steel high-sided litter box available in XL/XXL/XXXL sizes with tall walls (up to 15.7 in) for superior litter containment and durability. Made from food-grade stainless steel that resists odors and is wipe-clean, it suits multi-cat homes and large breeds. No motors or automatic cleaning - designed for manual scooping and long-term use.

The Litter-Robot 5 is a self-cleaning, multi-cat automatic litter box with a large globe, sealed waste drawer, WasteID™ odor-targeting technology, and app connectivity; it suits multi-cat households and owners who want automated waste removal and monitoring. The unit supports up to five cats and includes carbon filtration and removable components for maintenance. It is available in standard and Pro variants (Pro adds integrated cameras and advanced insights).