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What does a water filter cost to run?
What a water filter costs a year in replacement filters and water, for your household. Pick a filter or enter your own; every result has its own link.
Every filter, for 2 people
| Filter | Type | Price | Per year | Per gallon |
|---|---|---|---|---|
| Waterdrop King Tank gravity filter (2.25 gal) | Countertop filter | $230 | $3 | 1.3¢ |
| Waterdrop 15UC | Under-sink filter | $60 | $15 | 7.6¢ |
| Waterdrop 10UA | Under-sink filter | $59 | $31 | 15¢ |
| Hydros 64 oz glass pitcher | Pitcher | $45 | $33 | 16¢ |
| Brita Denali 6-cup pitcher (Elite filter) | Pitcher | $36 | $40 | 20¢ |
| Brita Tahoe pitcher (Elite filter) | Pitcher | $42 | $40 | 20¢ |
| Brita UltraMax dispenser (Elite filter) | Dispenser | $50 | $40 | 20¢ |
| Frizzlife MK99 | Under-sink filter | $70 | $40 | 20¢ |
| Waterdrop Countertop faucet filter CTF-01 | Countertop filter | $80 | $40 | 20¢ |
| Brita Denali 6-cup pitcher (Original filter) | Pitcher | $23 | $48 | 23¢ |
| Brita Tahoe pitcher (Standard filter) | Pitcher | $37 | $48 | 23¢ |
| Brita UltraMax dispenser (Original filter) | Dispenser | $39 | $48 | 23¢ |
| Multipure Aquaperform | Under-sink filter | $765 | $51 | 25¢ |
| Brita Elite faucet filter | Faucet-mount | $32 | $54 | 26¢ |
| Brita Hub countertop filter | Countertop filter | $195 | $60 | 29¢ |
| Waterdrop K19-H | Countertop reverse osmosis | $379 | $70 | 34¢ |
| Multipure Aqualuxe | Under-sink filter | $1,325 | $74 | 36¢ |
| US Water Systems Matrixx catalytic carbon backwashing | Whole-house | $2,209 | $79 | 0.2¢ |
| APEC RO-PERM | Under-sink reverse osmosis | $370 | $80 | 39¢ |
| Ninja HydraSense | Countertop filter | $250 | $80 | 39¢ |
| Waterdrop G2P600 | Under-sink reverse osmosis | $380 | $82 | 40¢ |
| Multipure Aquaversa | Under-sink filter | $620 | $95 | 46¢ |
| APEC ROES-50 | Under-sink reverse osmosis | $231 | $100 | 49¢ |
| Frizzlife SK99 | Under-sink filter | $126 | $105 | 52¢ |
| Multipure Aquapremier | Under-sink filter | $965 | $108 | 53¢ |
| Frizzlife PD800-TAM4 | Under-sink reverse osmosis | $650 | $111 | 54¢ |
| Bluevua ROPOT-Lite | Countertop reverse osmosis | $349 | $115 | 56¢ |
| iSpring WGB21B 2-stage whole-house | Whole-house | $183 | $116 | 0.3¢ |
| SimPure Y7P-BW | Countertop reverse osmosis | $370 | $117 | 57¢ |
| iSpring RCD100 | Countertop reverse osmosis | $420 | $118 | 58¢ |
| Waterdrop WHF3T-PG whole-house | Whole-house | $370 | $119 | 0.3¢ |
| LifeStraw Home 7-cup pitcher | Pitcher | $65 | $127 | 62¢ |
| Alexapure Pro gravity filter (Gen 2) | Countertop filter | $280 | $133 | 65¢ |
| Clearly Filtered pitcher | Pitcher | $110 | $133 | 65¢ |
| Aquasana Clean Water Machine | Countertop filter | $400 | $147 | 72¢ |
| Waterdrop G3P600 | Under-sink reverse osmosis | $539 | $147 | 72¢ |
| Aquasana Claryum 2-Stage | Under-sink filter | $250 | $148 | 72¢ |
| Waterdrop WHF21-FG iron & manganese whole-house | Whole-house | $200 | $160 | 0.4¢ |
| Waterdrop G3P800 | Under-sink reverse osmosis | $999 | $161 | 79¢ |
| Waterdrop Elfin pitcher PT-05 | Pitcher | $25 | $168 | 82¢ |
| Waterdrop Lucid 10-cup pitcher | Pitcher | $30 | $168 | 82¢ |
| A. O. Smith AO-US-200 2-Stage Under Sink | Under-sink filter | $140 | $168 | 82¢ |
| Aquasana Claryum 3-Stage | Under-sink filter | $350 | $168 | 82¢ |
| Aquasana Claryum 3-Stage Max Flow | Under-sink filter | $450 | $184 | 90¢ |
| Aquasana Claryum Direct Connect | Under-sink filter | $250 | $184 | 90¢ |
| Express Water WH300SCKS 3-stage heavy-metal whole-house | Whole-house | $548 | $187 | 0.4¢ |
| SimPure T1-400 | Under-sink reverse osmosis | $350 | $190 | 93¢ |
| APEC ROTL-A1000 | Under-sink reverse osmosis | $599 | $194 | 95¢ |
| iSpring WGB32B whole-house | Whole-house | $517 | $195 | 0.5¢ |
| LARQ Pitcher 2 | Pitcher | $50 | $195 | 95¢ |
| LARQ Pitcher PureVis | Pitcher | $168 | $195 | 95¢ |
| iSpring RO500AK-BN | Under-sink reverse osmosis | $693 | $198 | 97¢ |
| Brondell Circle RC100 | Under-sink reverse osmosis | $450 | $214 | 104¢ |
| Epic Water Filters Pure XP dispenser | Dispenser | $89 | $216 | 106¢ |
| Epic Water Filters Pure XP pitcher | Pitcher | $79 | $216 | 106¢ |
| iSpring RCC7AK | Under-sink reverse osmosis | $240 | $242 | 119¢ |
| iSpring RCC7P-AK | Under-sink reverse osmosis | $378 | $245 | 120¢ |
| A. O. Smith RO with Microbial Boost AO-US-RO-MB-4000 | Under-sink reverse osmosis | — | $270 | 132¢ |
| ZeroWater 10-cup pitcher | Pitcher | $38 | $272 | 133¢ |
| ZeroWater 32-cup Ready-Read dispenser | Dispenser | $45 | $272 | 133¢ |
| ZeroWater 52-cup Ready-Read dispenser (2 filters) | Dispenser | $65 | $272 | 133¢ |
| iSpring WGB21B-PF PFAS whole-house | Whole-house | $326 | $280 | 0.7¢ |
| A. O. Smith Direct Flow RO AOS-DFRO800 | Under-sink reverse osmosis | $575 | $292 | 143¢ |
| Aquasana SmartFlow RO | Under-sink reverse osmosis | $480 | $321 | 157¢ |
| Culligan Scout gravity system (2.25 gal) | Countertop filter | $230 | $323 | 158¢ |
| Culligan Venture gravity system (3 gal) | Countertop filter | $275 | $323 | 158¢ |
| Clearly Filtered 3-Stage Under the Sink | Under-sink filter | $550 | $455 | 223¢ |
| SpringWell Lead & Cyst Removal System | Whole-house | $3,220 | $458 | 1.1¢ |
| Aquasana Rhino whole-house (1M gal) | Whole-house | $1,998 | $486 | 1.1¢ |
| Aquasana Rhino Chloramines whole-house | Whole-house | $2,798 | $556 | 1.3¢ |
| Aquasana Rhino Max Flow whole-house | Whole-house | $2,798 | $556 | 1.3¢ |
| Aquasana Rhino + Salt-Free Water Conditioner | Whole-house | $3,546 | $641 | 1.5¢ |
| Aquasana HealthShield whole-house | Whole-house | $4,198 | $2,045 | 4.8¢ |
Whole-house filters treat every indoor gallon, so their per-gallon cost is not comparable with drinking-water filters.