Check the label on the equipment, then cross-check its manual. Keep the full model name, number and region together when asking about a replacement.
Start with the equipment
Follow the manufacturer's instructions before moving or handling powered equipment. Look for its identifying label on the base or rear. You are trying to find a model or item number, which may be different from a serial number unique to your unit.
Photograph the label and the whole product so you can refer to both. Do not post a serial number publicly if it is not needed. Copy the model text accurately; one suffix can distinguish a different version.
Use paperwork to confirm it
An original manual, box or receipt can help connect a number to a product family. Online order history is useful, but sellers sometimes update listings after a purchase. A current page is not conclusive proof of what arrived years ago.
Check the manufacturer's support library for the matching name and number. Note the region where you bought the equipment, because plugs, packaging and parts can differ between markets.
Make a support question easy to answer
Include the full model name, the model number and the part you need. Say whether you are replacing a filter, pump, tray or another component. A sentence such as “I need the filter for this exact model” alongside the label photograph is more precise than “will this fit a Catit?”.
Keep a small equipment record
Once a part is confirmed, save the model, part name, manufacturer source and date together. Keep the packaging from the first correct replacement long enough to compare it with the next order. That record can save you repeating the research.
If an identification remains uncertain, our finder offers an “I can't find my model” route. An honest gap is more useful than an unverified fit.
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Choose your equipment model and check the exact replacement name before ordering.
Find replacement filtersSources and updates
Research updated September 28, 2026.
This guide explains our shopping and budgeting method. Example calculations are labelled and are not current retailer prices.
We use published information rather than hands-on product testing. Check the selected product’s current details before buying. Our editorial approach · Report a correction