Looking for the best cat litter box for odor control? Look no further, because we’ve listed the top 5 candidates for the title in this lineup. There are differences among them—at least one is a self-cleaning, electronic contraption, for instance—but all perform well when it comes to keeping eau de litter box down.

Keep in mind that you still have to do your part, of course. No litter box design will keep the odor controlled for long if you don’t scoop or clean it regularly enough to prevent buildup of the waste (and bacteria!) that cause the unpleasant smells.

The Litter-Robot 3 Open Air Automatic Self-Cleaning Litter Box


The Litter-Robot 3 Open Air Automatic Self-Cleaning Litter Box makes caring for your cat easier. The first major update to the highly successful Litter-Robot platform, the Open Air is the culmination of the latest technology and 15 years of customer feedback. Once your cat exits, a timer counts down, allowing waste to clump before a cleaning cycle begins automatically. As the globe slowly rotates, the patented sifting system separates the clean litter from the clumps and drops the waste into a carbon-filtered drawer. The globe returns to the home position, leaving a clean, level bed of litter for the next use. Uses clumping litter and kitchen garbage bags. NO SPECIAL ACCESSORIES REQUIRED. The enlarged entryway and litter chamber, along with the self-adjusting cat sensor, accommodate cats weighing 5 lbs. or more. NEW FEATURES: DRAWER FULL INDICATOR: A flashing blue light lets you know when the waste drawer is full, so there's no more guessing. CONTROL PANEL LOCK OUT: Prevent kids and cats from unnecessarily pressing buttons, which could change your settings or cycle the unit. ADJUSTABLE CYCLE TIMER: Choose a 3-, 7-, or 15-minute delay from the time your cat uses the Litter-Robot until it performs a cleaning cycle. 8-HOUR SLEEP MODE: When activated, for a period of 8 hours, your unit will only cycle when the button is pressed manually to prevent disturbances. AUTOMATIC NIGHT LIGHT: Illuminates the litter chamber in low light conditions for elderly cats. BACKUP BATTERY (Sold Separately): The Backup Battery provides up to 48 hours of operation if power is interrupted. Estimated operation time is based on 10 cleaning cycles per day, which is typical for two cats, but results will vary. Backed by a 90-DAY MONEY-BACK GUARANTEE and 18-MONTH FULL WARRANTY. With more than 125,000 customers, over 15 years in business, and three versions of the Litter-Robot on the market, we are confident we have developed the best solution for pet parents to never have to scoop again!

§ Self-Cleaning Fully Automatic Litter Box

§ Great for Multiple Cats - Saves up to 50% on Litter!

§ 90-Day Money-Back Guarantee & 18-Month Warranty

§ Reduces Odor - Large Entryway - Automatic Night Light

§ Durable Construction - Appliance Quality - Infrequent Maintenance

Litter Robot LR II Automatic Self-Cleaning Litter Box, Beige


Front

Side

Fitted with weight sensors, the LRII knows when your cat has stepped into its litter container. 7 minutes after detection, provided it does not detect the cat there any more, it initiates the clean cycle, rotating the globe-like container to sift clean litter and remove clumps. The clumps are moved into a sealed and bag-lined container at the bottom and the litter is returned to the globe, which returns to position.

Yes, it does cost quite a lot compared to other boxes, but then again, you have to look at what you’re getting. Not only does this thing sift the litter itself, but it also provides you with a temporary holding pan for the waste until you can find time to go on garbage duty. Because the sifting process happens so early, there’s barely any time for the waste odors to form in the litter container. The waste chamber is actually fairly good at isolating odors by itself, but it wouldn’t hurt to use the thicker/odor-control garbage bags to line it too—the result is a really nice, practically odor-free litter box area.

Pros

  • Good seal on the drawer holding the waste
  • Rubber-lined inner parts reduce clump sticking
  • Has an Off setting for those who prefer to initiate its cleaning cycles themselves

Cons

  • It’s not cheap

Catit Jumbo Hooded Cat Litter Pan


This has a removable plastic hood that locks onto the bottom pan. The hood has a carry handle, an insertable and replaceable carbon filter, and a removable clear plastic door.

This enclosed litter box actually keeps odors down quite well, whether it’s used with the removable door on or off. The carbon filter does a lot to help (just remember to replace it after a while – a pair of replacements costs just a little over $2.00). You’ll still have to clean it out regularly, naturally, but at least kitty’s waste won’t be stinking up that particular corner of the room until then.

Pros

  • Quite large at 22 x 20 x 18 inches
  • Large filter and hood help to keep odors down
  • Very good build quality

Cons

  • Requires a lot of litter due to its size
  • The carbon filter at the top may be destroyed by your cat (who may think it a scratching pad)

Petmate Clean Step Litter Dome


This is an unusual-looking litter box that tends to hold odors in quite well—which means you really do need to remember to clean it or else it can grow nasty enough to put off even your cat without you noticing. The ramp inside does tend to limit litter tracking, especially for those who use clumping clay litter, and it’s relatively easy to clean because of the totally rounded shape (no corners to make cleaning hard!). It’s also pretty cheap.

This dome-shaped litter box has a set of “steps” inside that help minimize tracking and a carbon filter at the top to reduce waste odors. The pearlescent finish and unusual shape also make it less of a pain to display at your home.

Pros

  • Great for taller cats
  • Good at controlling litter scatter
  • Shape may appeal to a lot of people

Cons

  • Requires special liners due to its round shape
  • The cat may try to relieve himself on the steps/ramp inside if you don’t vacuum or brush it free of accumulated litter

Nature's Miracle Advanced Oval Hooded Litter Box


This corner-free hooded box is made with Ionpure antimicrobial plastic protection to reduce bacterial growth on its surfaces. The glossy surface also helps reduce odor and sticking, and the lock-on lid has a charcoal filter at the top. It is 25 x 17 x 19 inches.

This is a good, affordable hooded box. Odors tend not to stick easily to its plastic, and the slick surfaces inside make it easy to clean. It’s still not ideal for those whose cats pee higher up, though, as there are places where urine can leak outside if the cat pees on the right spot in the seam between the lid and base. The clips holding the lid to the base can also be a little hard to take off, but that’s much better than them being loose.

Pros

  • Special plastic is very easy to clean and does seem to inhibit odor build-up
  • Large and roomy
  • Cheap

Cons

  • The clips for the lid can be a bit tight and fiddly
  • The lid’s drip edge doesn’t cover the seam completely

Omega Paw Self-Cleaning Litter Box


Omega Paw Self-Cleaning Litter Box

This box’s rounded edges on one side facilitate its roll-and-sift action, which allows you to separate clumps from litter without a scoop. A sifter inside the box performs the separation and deposits waste into a pull-out tray, and a hood prevents litter spillage and odor spreading.

Pros

  • Fairly sturdy
  • Easy-to-use scoop-free action
  • Design tends to reduce litter spillage

Cons

  • Needs to be cleaned pretty often
  • Cats that like to pee high up can pee on the sifter/grill

This scoop-free litter box is not expensive at all and is pretty easy to use as far as non-mechanical scoop-free boxes go. It does require that you clean it relatively often, though, as the rolling action can leave waste odors (from repeated contact) on one side of the box. Still, it’s a nice choice for a lot of reasons, as it’s accessibly-priced, accessibly-designed, and not bad-looking either.

Conclusion

If you can afford it, the LR3 is probably the best buy here simply because it not only controls odors but does a lot of the work for you. Most people will be on tighter budgets, though, so the CatIt and Nature’s Miracle boxes may be better choices. They may not scoop the litter for you, but they’re still solid, odor-controlling choices even so.

Jasper & Jada

Loki


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