Category AI Visibility Report
Filters AI Visibility Report 2026: Top Brands & Buyer Topics in AI Search
Data updated 2026-08-27 · 30-day window · ChatGPT · Google AI Mode · Google AI Overviews
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Est. AI queries / month
15
Buyer topics monitored
10
Brands on the AI shelf
Key insights
- Over the last 30 days, GEOly monitored 15 buyer topics in Filters across ChatGPT, Google AI Mode, Google AI Overviews — an estimated 0 AI queries per month.
- PUR leads the AI shelf with 5.7% of brand mentions, followed by Brita (5.7%) and ISPRING (5.2%). The top three hold 16.6% combined — a shelf that has not consolidated yet, leaving a clear window for challengers.
- The highest-demand topic is “air cabin filters” (top keyword “air cabin filters”, ~40,500 searches/mo).
- AI answers lean on epa.gov most (20.5% of citations) — earning presence on these sources is the shortest path to being recommended.
Brands AI recommends most
Share of brand mentions across AI answers in the last 30 days (Share of Model).
| # | Brand | AI mentions | Share |
|---|---|---|---|
| 1 | PUR | 269 | 5.7% |
| 2 | Brita | 269 | 5.7% |
| 3 | ISPRING | 243 | 5.2% |
| 4 | Waterdrop | 210 | 4.5% |
| 5 | Filtrete | 184 | 3.9% |
| 6 | Coway | 182 | 3.9% |
| 7 | Aquasana | 167 | 3.6% |
| 8 | FRAM | 150 | 3.2% |
| 9 | ZeroWater | 148 | 3.2% |
| 10 | Filterbuy | 146 | 3.1% |
What shoppers ask AI
Buyer topics monitored in this category, with estimated monthly AI queries and the top Google keyword behind each topic.
| Topic | Est. AI queries / mo | Top keyword | Search volume / mo |
|---|---|---|---|
| air cabin filters | — | air cabin filters | 40,500 |
| oil filters | — | oil filters | 60,500 |
| well water filters | — | water filters for wells | 49,500 |
| reverse osmosis filters | — | ro filters | 165,000 |
| furnace filters | — | furnace filters change | 49,500 |
| shower head filters | — | water filters for shower head | 110,000 |
| HEPA filters | — | hepa filters air purifiers | 246,000 |
| air filters for allergies | — | air filters for allergies | 49,500 |
| sand filters | — | sand filters swimming pools | 40,500 |
| water pitcher filters | — | brita water filter filters | 90,500 |
| air filters | — | air filtration filters | 60,500 |
| car air filters | — | k & n filters | 60,500 |
| sink water filters | — | sink water filters | 49,500 |
| water system filters | — | home water system filters | 110,000 |
| air conditioner filters | — | air conditioner filters replacement | 60,500 |
Sources AI cites in this category
Root domains AI engines cited most when answering category queries in the last 30 days.
| Domain | Citations | Share |
|---|---|---|
| epa.gov | 167 | 20.5% |
| reddit.com | 162 | 19.9% |
| consumerreports.org | 89 | 10.9% |
| tapwaterdata.com | 37 | 4.6% |
| rtings.com | 34 | 4.2% |
| wired.com | 22 | 2.7% |
| nsf.org | 21 | 2.6% |
| thewell.guide | 21 | 2.6% |
FAQ
Which brands do AI assistants recommend most for filters?
Over the last 30 days the top brands by AI mention share are: PUR (5.7%), Brita (5.7%), ISPRING (5.2%), Waterdrop (4.5%), Filtrete (3.9%). Data from GEOly's continuous monitoring across ChatGPT, Google AI Mode, Google AI Overviews.
How many people ask AI about filters?
GEOly estimates ~0 AI queries per month in this category across 15 buyer topics, led by “air cabin filters”.
Which sources do AI engines cite for filters?
The most-cited domains are: epa.gov, reddit.com, consumerreports.org, tapwaterdata.com, rtings.com. Building brand presence on these sources is the most direct way to win AI recommendations.
Methodology
GEOly continuously runs category buyer prompts across ChatGPT, Google AI Mode, Google AI Overviews and records which brands are mentioned and which sources are cited. Figures aggregate a 30-day window; AI query volumes are modeled estimates from keyword demand and AI-adoption share. Data: GEOly MCP Server, updated 2026-08-27.
See your brand inside this category
GEOly tracks how ChatGPT, Google AI Mode and Google AI Overviews mention, rank and cite your brand against every competitor above — and what to fix to win the AI shelf.