Culligan MaxClear Scout 1 Filter
The entry Culligan MaxClear with a certified filter for people who want a name-brand 2.25 gal system at a low price.
Amazon $155$155
The Culligan MaxClear Scout 1 Filter is the better gravity water filter overall, rated 3.4 to 3.3. The Culligan MaxClear Scout 1 Filter leads on warranty and value. The Waterdrop TK-AB-FS wins on certification. The Culligan MaxClear Scout 1 Filter costs $44.99 less ($155 vs $199.99).
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.
Waterdrop TK-AB-FS
A cheaper way to get fluoride filters in the box than the TK-FS, with silver in the carbon filters.
Amazon $199.99$199.99
Which should you buy?
- Choose the Culligan MaxClear Scout 1 Filter for warranty (5-year warranty vs 1-year warranty) and value ($68.89 per gallon of capacity ($155, 2.2 gal) vs $88.88 per gallon of capacity ($199.99, 2.2 gal)).
- Choose the Waterdrop TK-AB-FS for certification (states certification to NSF/ANSI 42, NSF/ANSI 372 vs states certification to NSF/ANSI 42).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 2.25 gal gravity water filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Culligan MaxClear Scout 1 Filter | Waterdrop TK-AB-FS |
|---|---|---|
| Overall rating | 3.4/5 | 3.3/5 |
| Value 25% | 80 $68.89 per gallon of capacity ($155, 2.2 gal) | 64 $88.88 per gallon of capacity ($199.99, 2.2 gal) |
| Running cost 15% | 50 replacement cost or element life not published (neutral score used) | 50 replacement cost or element life not published (neutral score used) |
| Capacity 15% | 17 2.2 gal tank | 17 2.2 gal tank |
| Certification 20% | 30 states certification to NSF/ANSI 42 | 40 states certification to NSF/ANSI 42, NSF/ANSI 372 |
| Element life 15% | 50 element life in gallons not published (neutral score used) | 100 3,000 gal rated per element |
| Warranty 10% | 100 5-year warranty | 11 1-year warranty |
Specifications
| Culligan MaxClear Scout 1 Filter | Waterdrop TK-AB-FS | |
|---|---|---|
| Capacity and flow | ||
| Tank capacity | 2.2 gal | 2.2 gal |
| Price per gallon of capacity | $68.89 | $88.88 |
| Elements included | 1 | 4 |
| Maximum elements | 2 | 4 |
| Filtration | ||
| Element type | MaxClear ceramic shell with carbon media | Coconut shell carbon block with silver ions (black) |
| Certified | NSF/ANSI 42 | NSF/ANSI 42, NSF/ANSI 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. | Listing title: NSF/ANSI 42&372 Standard. The listing text does not say which component is certified. |
| Fluoride | - | Included |
| Fluoride element life | - | 1,000 gal |
| Running cost | ||
| Rated life per element | - | 3,000 gal each |
| Replacement element | 79 $ | - |
| Build | ||
| Material | brushed or polished stainless steel | 304 stainless steel |
| Height | 26 in | - |
| Diameter | 8.6 in | - |
| Warranty | 5 years | 1 year |