As of Oct 27, 2026, 11:53 AM ET, the F1A Filter for Waterdrop X Series Reverse Osmosis System is listed online by Waterdrop (waterdropfilter.com) at $32.99; 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 | 40675393830994 | $32.99 | 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 $32.99 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.
Service Life Provides up to 12 months for you and your family, based on water condition. 3s Quick Replacement Replacement is completed with simple twist and pull, which takes 3 seconds only without an
