stackable litter boxes

67" Modern Cat Tree with Hidden Litter Box Enclosure, Multi-Level Tower with Sisal Scratching Posts, Plush Hammock & Perch for Small/Medium Cats

PetSafe ScoopFree SmartSpin Self-Cleaning Litter Box

Litter Box Enclosure - Hidden Cat Cabinet with Storage, Double Door, Side Entry, Air Vents, Scratcher, White

PawHut Stainless Steel Cat Litter Box with Lid, Extra Large Enclosed Metal Litter Box for Big Cats, Flip Cover, High-Sided Enclosure & Scoop

Akoasm Wooden Pet House Litter Box Enclosure with Drawer for Home-White

Omega Paw Roll 'n Clean Self Cleaning Cat & Kitten Litter Box, Large, Periwinkle

QuestaPack Extra Large Enclosed Cat Litter Box with Mat and Litter Scoop

Angel Sar 2-in-1 Cat Litter Box Enclosure Side Table, Modern Walnut Finish Cabinet with Hidden Storage, 35.5 Inch Multi-Functional End Table

Hooded Cat Litter Box w/ Litter Mat, Litter Particle Catching

Farmhouse Cat Litter Box Enclosure, Hidden Cabinet with Scratch Pad & Storage Layer, Indoor Cat House Furniture for Hallway Living Room

Cat Litter Box Enclosure with Storage Shelf, Hidden Litter Box Furniture with Metal Legs and Ventilated Panel, Indoor Cat House White

Whisen Foldable Cat Litter Box with Private Safe Space, & Grate, Easy Access for Cats Up to 10lbs

TROPOW Cat Litter Box Enclosure Hidden Litter Box Cabinet with Wooden Barn Door, End Table Style Indoor Cat House Fits Most Litter Boxes

Cumrige Self Cleaning Litter Box, 95L Automatic Cat Litter Box Self Cleaning for Multiple Cats, with Safety Protection, App Control.

PawHut Cat Tree with Litter Box Enclosure for Indoor Cats with Scratching Posts, Bed, Climbing Platforms, Modern Style Pet Furniture, White

SEVOBAL Litter Boxes and Pans Stainless Steel Cat Litter Box with Lid, Large Cat Litter Box for Big Cats, Scoop and Mat, Gray, 23.62"*11.81"*15.75"

Cat Litter Box Enclosure Furniture with 4-Tier Storage Shelves Hidden Litter Cabinet w/ Scratch Pad Multi-Functional White

HTUTWOO Cat Litter Box, Covered Kitty Litter Box, with Lid, Scoop, Deodorizing Bags for Odor Control, Privacy, Portable, Easy to Clean

QuestaPack Large Enclosed Cat Litter Box with Cushion, Anti-Splash Closed Litter Boxes with Litter Scoop Front Entry Top Exit Door

57.5 Inch Hidden Litter Box Enclosure with Cat Tree ＆ Condo, Modern 2 in 1 Cat Tree Tower with 2 Observation

Artloge Foldable Large Cat Litter Tray Front Entry & Top Exit Toilet Boxes Enclosed Kitty Potty Drawer Type Cats Toilet with Massager & Litter Scoop

Modern Cat Litter Box Enclosure with Metal Frame - Hidden Side Table with Dual Storage Shelves

Gulches Covered Cat Litter Box with Lid - Indoor Litter Box for Cats with Tray, Scoop, and Filter,Green

Whisker Litter-Robot 3 Connect