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
The Culligan MaxClear Venture 1 Filter is the better gravity water filter overall, rated 3.5 to 3.0. The Culligan MaxClear Venture 1 Filter leads on value and certification. The Culligan MaxClear Venture 1 Filter costs $200 less ($199 vs $399).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
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
Which should you buy?
- Choose the Culligan MaxClear Venture 1 Filter for value ($66.33 per gallon of capacity ($199, 3 gal) vs $133 per gallon of capacity ($399, 3 gal)) and certification (states certification to NSF/ANSI 42 vs states certification to NSF/ANSI/CAN 372).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 2.5 to 3.5 gal gravity water filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Culligan MaxClear Venture 1 Filter | Boroux Legacy 3 Gal |
|---|---|---|
| Overall rating | 3.5/5 | 3.0/5 |
| Value 25% | 82 $66.33 per gallon of capacity ($199, 3 gal) | 39 $133 per gallon of capacity ($399, 3 gal) |
| Running cost 15% | 50 replacement cost or element life not published (neutral score used) | 71 $0.013 per gallon filtered ($79.50 per element, 6,000 gal each) |
| Capacity 15% | 33 3 gal tank | 33 3 gal tank |
| Certification 20% | 30 states certification to NSF/ANSI 42 | 10 states certification to NSF/ANSI/CAN 372 |
| Element life 15% | 50 element life in gallons not published (neutral score used) | 100 6,000 gal rated per element |
| Warranty 10% | 100 5-year warranty | 0 warranty not published, scored as none |
Specifications
| Culligan MaxClear Venture 1 Filter | Boroux Legacy 3 Gal | |
|---|---|---|
| Capacity and flow | ||
| Tank capacity | 3 gal | 3 gal |
| Price per gallon of capacity | $66.33 | $133 |
| Elements included | 1 | 2 |
| Maximum elements | 3 | 4 |
| Filtration | ||
| Element type | MaxClear ceramic shell with carbon media | Boroux Foundation Black carbon element, 9.5 in |
| Certified | NSF/ANSI 42 | NSF/ANSI/CAN 372 |
| Certification detail | Listing: IAPMO certified to NSF/ANSI 42 to reduce microplastics, lead and Total PFAS. The listing does not name the standards behind the lead and PFAS claims. | Filter listing (maker copy): NSF/ANSI/CAN 372 certified by WQA, a lead-free materials standard, not a contaminant reduction certification. System listing: filters tested and independently verified by third-party accredited laboratories, none named. |
| Fluoride | - | Add-on filter |
| Running cost | ||
| Rated life per element | - | 6,000 gal each |
| Replacement element | 79 $ | 79.5 $ |
| Cost per gallon filtered | - | $0.013 |
| Build | ||
| Material | brushed or polished stainless steel | 304 stainless steel |
| Height | 27.6 in | 23 in |
| Diameter | 9.4 in | 9 in |
| Weight | - | 9.5 lb |
| Warranty | 5 years | - |