TESTED BY CAT OWNERS WITH 1-3 CATS
The 5 stainless steel litter boxes that never smell like plastic
Plastic litter boxes absorb urine odor after 6 months. Stainless steel does not. These 5 are the only ones where the steel is thick enough to not flex when your cat digs.
What we test
Steel gauge thickness
18-gauge steel holds its shape and resists flexing when a 15-lb cat jumps in. Thinner gauges bow over time.
Odor retention after 30 days
We soak each box in diluted urine solution, let it dry, and smell it 30 days later. Stainless steel always comes back clean.
Corner weld quality
Porous welds trap bacteria. We inspect every corner under a light and flex-test each seam by hand.
Quick comparison
| Product | Size (inches) | Rim | Entry Type | Price | |
|---|---|---|---|---|---|
| iPrimio Stainless Steel Litter Pan (Extra Large)Editor's Pick | 24 x 15.5 x 6 | No | Open top | ~$45 | Check price |
| Zibo Stainless Steel Cat Litter BoxBest Budget | 18 x 14 x 5 | No | Open top | ~$28 | Check price |
| Slevoo Stainless Steel Litter Box with RimBest Rimmed | 20 x 16 x 6.5 | Yes | Open top with rim | ~$38 | Check price |
| Petnf Stainless Steel Large Litter BoxBest for Large Cats | 22 x 17 x 7 | No | Open top | ~$42 | Check price |
| Kitty Go Here Senior Cat Litter Box (Low Entry)Best for Senior Cats | 24 x 20 x 5 | No | Low-entry front | ~$35 | Check price |
Prices are approximate. Click through to Amazon for the current price.
Our top picks
iPrimio Stainless Steel Litter Pan (Extra Large)
Thick 18-gauge steel, seamless corners, and a large footprint that works for cats over 15 lbs.
Zibo Stainless Steel Cat Litter Box
Solid value for a single cat. Thinner steel than iPrimio but still non-porous and easy to clean.
Slevoo Stainless Steel Litter Box with Rim
The rolled rim keeps litter in the box during digging. Good for cats that throw litter everywhere.
Petnf Stainless Steel Large Litter Box
Wide and deep enough for Maine Coons and other big breeds. The 7-inch walls cut scatter.
Kitty Go Here Senior Cat Litter Box (Low Entry)
The 3.5-inch front entry is low enough for cats with arthritis or mobility problems.
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