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 and the Waterdrop TK15-A are evenly matched, rated 3.4 and 3.4. The Culligan MaxClear Scout 1 Filter leads on warranty, capacity and value. The Waterdrop TK15-A wins on certification. The Waterdrop TK15-A costs $35.01 less ($119.99 vs $155).
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 TK15-A
A small, low-priced certified gravity filter for one to three people, a trip or an RV.
Amazon $119.99$119.99
Which should you buy?
- Choose the Culligan MaxClear Scout 1 Filter for warranty (5-year warranty vs 1-year warranty), capacity (2.2 gal tank vs 1.5 gal tank) and value ($68.89 per gallon of capacity ($155, 2.2 gal) vs $79.99 per gallon of capacity ($119.99, 1.5 gal)).
- Choose the Waterdrop TK15-A 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 TK15-A |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Value 25% | 80 $68.89 per gallon of capacity ($155, 2.2 gal) | 71 $79.99 per gallon of capacity ($119.99, 1.5 gal) |
| Running cost 15% | 50 replacement cost or element life not published (neutral score used) | 75 $0.012 per gallon filtered ($34.99 per element, 3,000 gal each) |
| Capacity 15% | 17 2.2 gal tank | 0 1.5 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 TK15-A | |
|---|---|---|
| Capacity and flow | ||
| Tank capacity | 2.2 gal | 1.5 gal |
| Price per gallon of capacity | $68.89 | $79.99 |
| Elements included | 1 | 2 |
| Maximum elements | 2 | 2 |
| Filtration | ||
| Element type | MaxClear ceramic shell with carbon media | Coconut shell carbon filter (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: system passed NSF/ANSI 372 (lead-free materials) and the black carbon filter is certified to NSF/ANSI 42 for chlorine, taste and odor. |
| Fluoride | - | Add-on filter |
| Running cost | ||
| Rated life per element | - | 3,000 gal each |
| Replacement element | 79 $ | 35 $ |
| Cost per gallon filtered | - | $0.012 |
| Build | ||
| Material | brushed or polished stainless steel | 304 stainless steel |
| Height | 26 in | - |
| Diameter | 8.6 in | - |
| Warranty | 5 years | 1 year |