You have an automatic litter box, but the waste drawer bags keep tearing or don’t fit properly. This is a common frustration that can lead to messy cleanups and wasted time. Choosing the right waste bags makes a huge difference in keeping your cat’s area fresh and your routine simple. In this guide, we review two top-rated options: the AWoHH 90 Pack and the ANWA 40 Count bags. Both are designed for popular automatic litter boxes, but they have distinct strengths. We also share tips on what to look for when buying, so you can find the perfect fit for your setup. For more on maintaining a clean box, check out our review of the best odor filters for litter boxes.
Buying Guide: What to Look for in Cat Litter Waste Bags
When shopping for waste bags for your automatic litter box, a few key factors determine whether you will have a hassle-free experience or constant frustration. Here are the most important criteria we evaluated.
Compatibility with Your Litter Box Model
Not all bags fit all automatic litter boxes. The most popular models include the Litter Robot 3, 4, and 5, as well as the Pro and EVO versions. Bags that are too small may not cover the drawer properly, leading to leaks. Oversized bags can cause sensor errors. Always check the product description to confirm compatibility. The AWoHH bags are specifically designed for Litter Robot models 3, 4, and 5, while the ANWA bags also work with the 5 Pro and EVO. Verified fit ensures smooth operation.
Durability and Tear Resistance
Thin bags can rip when you pull them out, spilling waste everywhere. Look for heavy-duty materials that can hold the weight of clumps without breaking. The AWoHH bags are made from high-density material and can hold up to 22 pounds. The ANWA bags are described as extra thick and heavy-duty. Both are designed to resist tearing during removal. Strong bags also help contain odors better because they prevent seepage.
Ease of Installation and Removal
You want a bag that goes in quickly and comes out without a struggle. Pre-separated bags that are individually folded save time, as you do not have to tear them from a roll. The AWoHH bags have a pre-separation design that lets you pull out one bag at a time. The ANWA bags come in rolls with a drawstring and a perforated tear line. Both are designed for one-handed operation. For more tips on cleaning tools, see our best litter scoop and holder sets guide.
Odor Control
Nobody wants a smelly litter box area. While no bag can eliminate odors entirely, thicker materials and a snug fit help trap smells. The AWoHH bags use high-density material to block urine seepage and minimize odor escape. Pairing your bags with a good odor filter can further reduce smells. Check our best odor filters review for top recommendations.
Final Thoughts
After evaluating both products, we recommend the 90 Pack Cat Litter Box Robot Model 5/4/3 Waste from AWoHH for multi-cat households or anyone who wants a large supply and extra strength, thanks to its 90-count pack and heavy-duty material. For a more budget-friendly option that still delivers solid performance, the ANWA 40 Count Automatic Litter Box Bags are a smart choice, offering a drawstring design and compatibility with a wider range of models. Both bags are reliable choices that will keep your automatic litter box running smoothly and your home fresh.
Frequently Asked Questions
Are these bags compatible with all automatic litter boxes?
No, these bags are designed specifically for popular models like the Litter Robot series (3, 4, 5, 5 Pro, EVO). Always measure your waste drawer and check the product dimensions before buying. The AWoHH bags fit models 3, 4, and 5, while the ANWA bags also cover the 5 Pro and EVO. If you have a different brand, look for bags that match your drawer size.
How often should I change the waste bag?
Change the bag when the drawer is full, which typically happens every 2 to 7 days depending on how many cats you have and how often the box cycles. The automatic litter box will usually alert you when it is full. Replacing the bag promptly prevents odor buildup and keeps the sensor working correctly. In 2026, many owners find that a bag change every 3 to 4 days is ideal for one cat.
Can I use regular trash bags instead of specialized litter waste bags?
It is not recommended. Regular trash bags may not fit the waste drawer properly, causing the sensor to misread the fill level. They also tend to be thinner and can tear more easily. Specialized litter waste bags are sized and reinforced for the job, ensuring a snug fit and reliable performance. Using the right bags saves you time and mess.
Do these bags help control odor?
Yes, both products use thick materials that help block odors. The AWoHH bags have high-density material that minimizes urine seepage and odor escape. For even better odor control, combine them with a high-quality odor filter. See our best odor filters guide for top picks.
