Real ChatGPT answer · index seed3DfGPfQAsh0completeTelecom and utilities · water and gas utilitiescommercial
Which municipal water filtration pitchers remove the most contaminants while keeping annual filter replacement costs as low as possible?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Which municipal water filtration pitchers remove the most contaminants while keeping annual filter replacement costs as low as possible?
1 real search · 1 real-search pass
best water filter pitchers contaminant reduction certifications NSF 53 401 PFAS lead annual filter replacement cost 2026Google ↗
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
best water filter pitchers contaminant reduction certifications NSF 53 401 PFAS lead annual filter replacement cost 2026 Google ↗
- Brita Elite filters · brita.com
- PUR official website · pur.com
- ZeroWater official website · zerowater.com
- LifeStraw Home · lifestraw.com
- Best Water Filter Pitchers: What Each One Is Certified to Remove · checkedwater.com
- Water Filter Pitchers Ranked by Cost per Certified Gallon (2026) · waterfilterscore.com
- The Best Water Filter Pitchers for PFAS- and Lead-Free Living · wired.com
- Which water filters remove PFAS? 29 certified, ranked by price · whatfilterremoves.com
- Consumer Tool for Identifying Point-of-Use and Pitcher Filters Certified to Reduce Lead in Drinking Water · epa.gov
- Choose the water filter that’s right for you! · epa.gov