As of Oct 27, 2026, 11:53 AM ET, the Waterdrop N1 Countertop RO System Replacement Filters Set is listed online by Waterdrop (waterdropfilter.com) at $128.97–$257.94; 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 | 41319323074642 | $128.97 | Listed online (stock not reported) | Buy at waterdropfilter.com |
| Standard | 41319323107410 | $257.94 | Listed online (stock not reported) | Buy at waterdropfilter.com |
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At Waterdrop it costs $128.97 to $257.94, depending on the option, as of Oct 27, 2026.
Waterdrop's product feed doesn't say whether it's in stock. It lists 2 options at waterdropfilter.com; check there before you buy.
Item model number WD-N1-CF Material PP cotton and carbon block Filter life 6 months Show More Information Dissatisfied with traditional under-sink RO filters? Many people complain about these systems
