Real ChatGPT answer · index seedZiecMM3eAfAcompleteTelecom and utilities · water and gas utilitiesinformational
Are there affordable water filtration system options that remove heavy metals without requiring professional under sink installation?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Are there affordable water filtration system options that remove heavy metals without requiring professional under sink installation?
1 real search · 1 real-search pass
2026 water filter pitchers countertop systems lead heavy metals NSF ANSI 53 certification ZeroWater Clearly Filtered AquaTruGoogle ↗
OBSERVEDComparison
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 (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
2026 water filter pitchers countertop systems lead heavy metals NSF ANSI 53 certification ZeroWater Clearly Filtered AquaTru Google ↗
- View product · bestbuy.com
- View product · bestbuy.com
- Best Water Filter Pitchers (2026) · purehousewater.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
- Filters ANSI/NSF 53 Certified for the Removal of Lead · files.dep.state.pa.us