A single filter for chlorine taste with a built in leak detector and shutoff. Worth it if the leak protection is what you want.

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Wi-Fi leak alerts and a remote shutoff valve can stop a burst pipe from flooding the house
Push to connect fittings and tool free filter changes
Filters certified to NSF/ANSI 42, with a lead reducing option

Cons

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its build. How we rank explains each one.

Specifications

Filtration
Model number	GXWH70M
Capacity	15,000 gallons
Replacement filters or media	$28.98
Running cost	$1.93 per 1,000 gal
Stages	1
Certified	NSF/ANSI 42
Chloramine	No
PFAS	No
Build
Ports	0.8 in
UV stage	No
Warranty	1 year

A sensible upgrade on the WGB21B for a family on chlorinated city water, with filters that last longer and cost little per gallon.

$286.70

$0.83 per 1,000 gal15 gpm100,000 gal

The AP903 with scale inhibitor added, for city water that is both chlorinated and hard.

$421.18

$3.47 per 1,000 gal10 gpm100,000 gal

For homes on chloramine treated city water that want cartridges rather than a tank. Check replacement filter prices before buying.

$543.15

15 gpm100,000 gal