Culligan MaxClear Venture 1 Filter
A 3 gal MaxClear that can grow into three filters. A good base if you plan to add filters later.
Amazon $199$199
3 galNSF/ANSI 42
3.1/5
A 3 gal stainless gravity filter that uses ProOne G2.0 filters. A mid-priced option, though the listing publishes little about flow, filter gallons or warranty.
- 3 galCapacity
- NSF/ANSI 42Certification
Check price at Amazon$229.95
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 3 gal holds more than the 2.25 gal models at a lower price than a Royal Berkey
- Includes a stainless spigot and stand
Cons
- Listing gives no gallon rating for the filters or a warranty
- Listing gives no flow rate
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its capacity. How we rank explains each one.
Specifications
| Model number | PO1-BIGPLUS-1POG7 |
|---|---|
| Capacity and flow | |
| Tank capacity | 3 gal |
| Price per gallon of capacity | $76.65 |
| Filtration | |
| Element type | ProOne G2.0 ceramic and carbon element, 7 in |
| Certified | NSF/ANSI 42 |
| Certification detail | Listing: G2.0 filters carry NSF/ANSI 42 certification and were tested by an independent lab to other NSF standards. The title also says IAPMO certified to reduce lead, total PFAS and microplastics. |
| Build | |
| Material | stainless steel |
Alternatives in this capacity
Culligan MaxClear Venture 3 Filters
The fully loaded Venture. It makes sense for a busy kitchen where a one-filter system would hold up the line.
Amazon $309$309
3 galNSF/ANSI 42
Boroux Legacy 3 Gal
A Royal Berkey sized 3 gal stainless filter with long-life carbon filters. A fair price, but the filters lack an NSF reduction certification.
Amazon $399$399
3 galNSF/ANSI/CAN 3726,000 gal each
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