APEC Water Systems vs PUR:Which is more popular?
In September 2026, PUR had more branded searches than APEC Water Systems among water filter pitcher brands worldwide. PUR had about 25,300 branded searches, while APEC Water Systems had 9,900. PUR made up 3.3% of all water filter pitcher brand searches we track, and APEC Water Systems accounted for 1.3%. When we asked ChatGPT and Google AI Overviews about water filter pitcher brands, APEC Water Systems and PUR each appeared in two of the five answers. PUR was mentioned before APEC Water Systems in two out of three answers that named either.
Who do people search for more?
PUR, about 3 searches for every 1 for APEC Water Systems
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
PUR, named ahead of APEC Water Systems in 2 of 3 answers
Follow APEC Water Systems vs PUR and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top water filter pitcher brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, APEC Water Systems and PUR were each mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. PUR was listed before APEC Water Systems in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Brita1st
Clearly Filtered2nd
LifeStraw3rd- Aquasana4th
PUR5th
Culligan ZeroWater6th- APEC Water Systems7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Brita5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
LifeStraw3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Clearly Filtered3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Culligan ZeroWater2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Aquasana2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
PUR2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers- APEC Water Systems2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about water filter pitcher brands
5 answers
Asked ChatGPT
“Which water filter brand should I buy?”
Asked ChatGPT
“What are the best water filter pitcher brands?”
Asked ChatGPT
“What's the best water filter brand for tap water?”
Searched Google, AI Overview
“best water filter pitcher”
Searched Google, AI Overview
“best pitcher filter”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is APEC Water Systems or PUR more popular in search?
This chart shows how often people search Google for APEC Water Systems and PUR by name. Each line represents a brand's share of searches for all seven water filter pitcher brands we track, month by month, from English-language searches worldwide.
Share of searches by month for PUR, APEC Water Systems. The figures are in the table below the chart.
View monthly share of searches table
| Month | Brita | LifeStraw | Culligan ZeroWater | Aquasana | PUR | Clearly Filtered | APEC Water Systems |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 58.9% | 15.2% | 13.1% | 4.7% | 4.4% | 2.3% | 1.4% |
| Nov 2025 | 58.3% | 15.3% | 13.2% | 4.7% | 4.4% | 2.7% | 1.4% |
| Dec 2025 | 58.8% | 15.8% | 13.2% | 4.6% | 3.6% | 2.7% | 1.4% |
| Jan 2026 | 58.7% | 15% | 13.2% | 5.2% | 4% | 2.5% | 1.3% |
| Feb 2026 | 58.1% | 14.5% | 13.2% | 5.2% | 4.8% | 2.6% | 1.6% |
| Mar 2026 | 49.5% | 19.8% | 19.3% | 4% | 3.7% | 2.5% | 1.2% |
| Apr 2026 | 56.8% | 16% | 14.4% | 4.6% | 3.5% | 3.1% | 1.4% |
| May 2026 | 57% | 16.5% | 13.6% | 4.6% | 4.2% | 2.8% | 1.4% |
| Jun 2026 | 60.6% | 14.9% | 13.2% | 3.6% | 4.1% | 2.2% | 1.3% |
| Jul 2026 | 60% | 15.1% | 13% | 3.6% | 4.9% | 2.1% | 1.3% |
| Aug 2026 | 60.3% | 16.2% | 11.6% | 3.9% | 4.4% | 2.3% | 1.2% |
| Sep 2026 | 59% | 18% | 12.3% | 3.6% | 3.3% | 2.5% | 1.3% |
How has the APEC Water Systems and PUR comparison changed over the last 12 months?
3 findings
- PUR was ahead of APEC Water Systems in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, APEC Water Systems’ share of searches among water filter pitcher brands worldwide moved from 1.4% to 1.3%, and its estimated monthly branded searches held steady at 9.9K.
- Across the 12 months ending September 2026, PUR’s share of searches among water filter pitcher brands worldwide moved from 4.4% to 3.3%, and its estimated monthly branded searches moved from 30.9K to 25.3K.
How did search popularity change for water filter pitcher brands worldwide in September 2026?
1 change

In September 2026, PUR lost share of searches among water filter pitcher brands worldwide, from 4.4% to 3.3%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using APEC Water Systems’ and PUR’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
APEC Water Systems
1 branded search term
- apec water systems
PUR
3 branded search terms
- pitcher pur
- pur water filter
- pur water pitcher
Other head-to-heads among water filter pitcher brands

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.