Water Filters available online
1 company · 133 products
Last updated · Prices and stock checked
Where can I buy water filters online?
As of Oct 27, 2026, 11:53 AM ET, 133 water filters from 1 company are listed here, priced $1.99–$2,091.97. The stores selling them don't report stock in their feeds, so check the store before you buy. Stores selling water filters here include Waterdrop.
About water filters online
| Available | 0 products in stock online (0 colors and options) |
|---|---|
| Listed, stock not reported | 133 products |
| Price | $1.99–$2,091.97 |
| Companies | 1 |
| Sold by | waterdropfilter.com |
Prices and online availability come from each retailer's own product feed, as of the refresh date above. They may be delayed or differ from the retailer's current price; confirm on the retailer's site before buying. Where a feed doesn't report stock, the product is shown as "listed" rather than in stock. Online availability only, not in-store stock.
Available water filters online
Under $50 water filters
- 24 Months Lifetime WD-TSUF Filter for Ultra Filtration System — from $42.99 (listed)
- 6 Months Lifetime WD-TSPP Filter for Ultra Filtration System and Integrated DC Filtration System — from $36.80 (listed)
- Alkaline Filter for Waterdrop Undersink Reverse Osmosis Systems-Waterdrop ALK35 — from $29.99 (listed)
- CF Filter for Waterdrop G3P800 & G3P600 & G3 Reverse Osmosis System — from $29.99 (listed)
- CF Filter for Waterdrop G3P800 & G3P600 & G3 Reverse Osmosis System Subscription — from $29.99 (listed)
$50–$99 water filters
- 5+1 Stage Stainless Steel Direct Connect Under Sink Water Filter AS13 — from $78.99 (listed)
- Remineralization Alkaline Water Filter for Countertop RO System K19-SFK — from $78.99 (listed)
- Stainless Steel Under Sink Water Filter Direct Connect Filtration System — from $75.99 (listed)
- Under Sink Ultrafiltration Water Filter Direct Connect Filtration System — from $69.99 (listed)
- Under Sink Water Filter Direct Connect Filtration System — from $58.99 (listed)
$100–$249 water filters
- 3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF — from $149.99 (listed)
- 3-stage Under Counter Direct Connect Filtration System Waterdrop TSA — from $139.99 (listed)
- 3-stage Under Counter Water Filter System with Dedicated Faucet Waterdrop TSB — from $149.99 (listed)
- 3-stage Under Sink Water Filter with Dedicated Faucet Waterdrop TSB-ALK — from $149.99 (listed)
- 6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF — from $189.99 (listed)
$250–$499 water filters
- Countertop Reverse Osmosis Water Dispenser - Waterdrop N1 — from $299 (listed)
- Instant Hot Countertop RO System - Waterdrop K19-H — from $379 (listed)
- Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W With 2 Year Package — from $316.95 (listed)
- Waterdrop 2.25-gallon King Tank Gravity Water Filter System, With Stand — from $270.99 (listed)
- Waterdrop 3-Stage Whole House Water Filter System Reduce Iron & Manganese — from $419.99 (listed)
$500–$999 water filters
- 800 GPD Tankless Reverse Osmosis System - Waterdrop G3P800 — from $999 (listed)
- G3P600 Reverse Osmosis System - Waterdrop G3P600 — from $539 (listed)
- G3P600 with Alkaline Filter Bundle — from $568.99 (listed)
- G3P600 with CF Filter Bundle — from $568 (listed)
- G3P600 with One-Year Filters Bundle — from $626.97 (listed)
$1,000 and up water filters
- G3P800 with Alkaline Filter Bundle — from $1,028.99 (listed)
- G3P800 with CF Filter Bundle — from $1,028.99 (listed)
- G3P800 with One-Year Filters Bundle — from $1,088 (listed)
- G3P800 with PMT Bundle — from $1,029.99 (listed)
- G3P800 with Remineralization Filter Bundle — from $1,026.99 (listed)
Companies selling water filters online
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