As of Oct 27, 2026, 11:53 AM ET, the Waterdrop WHF21-PG 5 Micron 2-Stage Whole House Water Filtration System is listed online by Waterdrop (waterdropfilter.com) at $165.99; the store's feed doesn't report stock.
Waterdrop sells it online at waterdropfilter.com. The price and stock here come from Waterdrop's own product feed, checked Oct 27, 2026.
| Option | Model no. | Price | Online availability | |
|---|---|---|---|---|
| Standard | 39852381044818 | $165.99 | Listed online (stock not reported) | Buy at waterdropfilter.com |
Buy links go to the retailer through an affiliate network, and Aisles Ecommerce may earn a commission if you buy. It doesn't change the price. Disclosure.
It costs $165.99 at Waterdrop, as of Oct 27, 2026.
Waterdrop's product feed doesn't say whether it's in stock. It lists it at waterdropfilter.com; check there before you buy.
/* other style start */ .vis-overview-block-banner.vis-overview-block-banner-content-btn { display: none; } /* other style end */ Whole House Water Filter System 5-Stage filtration for cleaner, safer
