Real ChatGPT answer · index seed3mUzQwPxqgAcompleteTelecom and utilities · water and gas utilitiescommercial
What are the top rated water filter pitchers on the market right now that actually remove heavy metals and lead from municipal tap water
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the top rated water filter pitchers on the market right now that actually remove heavy metals and lead from municipal tap water
3 real searches · 1 real-search pass
best water filter pitchers certified NSF ANSI 53 lead reduction 2026 reviews testingGoogle ↗
OBSERVEDComparison
NSF ANSI 53 lead reduction water filter pitcher PUR Plus Brita Elite LifeStraw ZeroWater certification officialGoogle ↗
OBSERVEDInstruction
EPA home water filters lead NSF ANSI 53 pitcher certification lead drinking waterGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
best water filter pitchers certified NSF ANSI 53 lead reduction 2026 reviews testing Google ↗
NSF ANSI 53 lead reduction water filter pitcher PUR Plus Brita Elite LifeStraw ZeroWater certification official Google ↗
EPA home water filters lead NSF ANSI 53 pitcher certification lead drinking water Google ↗
- Shop Culligan ZeroWater · zerofilterstore.com
- Shop PUR PLUS · walmart.com
- Shop Brita Elite pitcher · walmart.com
- Shop LifeStraw Home Glass · lifestraw.com
- Best Water Filter Pitchers: What Each One Is Certified to Remove · checkedwater.com
- Consumer Tool for Identifying Point-of-Use and Pitcher Filters Certified to Reduce Lead in Drinking Water · epa.gov
- The Best Water Filter Pitchers for PFAS- and Lead-Free Living · wired.com
- Consumer Tool for Identifying Point-of-Use and Pitcher Filters Certified to Reduce Lead in Drinking Water · epa.gov
- Contaminant Reduction Claims Guide · nsf.org
- NSF certified drinking water filter database · info.nsf.org
- Water Quality Association certification database · find.wqa.org
- IAPMO product listing database · pld.iapmo.org
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
best water filter pitchers certified NSF ANSI 53 lead reduction 2026 reviews testing OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
NSF ANSI 53 lead reduction water filter pitcher PUR Plus Brita Elite LifeStraw ZeroWater certification official OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
EPA home water filters lead NSF ANSI 53 pitcher certification lead drinking water OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |