Normalized database
57 filters, same set of columns
57 rows from Amazon-backed household filters plus legacy vendor-catalog entries. Purchase CTAs appear only when we have an active Amazon ASIN for that model.
| Product | Type | Install | Source | Buy | |
|---|---|---|---|---|---|
 | Brita Metro 5–6 Cup Pitcher | Activated carbon | pitcher | Amazon listing | |
 | Brita Everyday 10-Cup Pitcher | Activated carbon | pitcher | Amazon listing | |
 | Brita Elite Replacement Filters (2-Pack) | Activated carbon | pitcher | Amazon listing | |
 | ZeroWater 10-Cup Pitcher with TDS Meter | Ion exchange | pitcher | Amazon listing | |
 | ZeroWater 23-Cup Dispenser | Ion exchange | countertop | Amazon listing | |
 | PUR PLUS 7-Cup Pitcher | Activated carbon | pitcher | Amazon listing | |
 | Clearly Filtered 10-Cup Water Filter Pitcher | Composite | pitcher | Amazon listing | |
 | PUR PLUS Horizontal Faucet Mount System | Activated carbon | faucet | Amazon listing | |
 | Brita Elite Advanced Faucet Filter System | Activated carbon | faucet | Amazon listing | |
 | Culligan CULFMWHRF Faucet Mount Filter | Activated carbon | faucet | Amazon listing | |
 | APEC ROES-50 Essence 5-Stage RO | RO | under sink | Amazon listing | |
 | APEC RO-90 Ultimate 90 GPD RO | RO | under sink | Amazon listing | |
 | iSpring RCC7 5-Stage RO | RO | under sink | Amazon listing | |
 | iSpring RCC7AK Alkaline 6-Stage RO | RO | under sink | Amazon listing | |
 | Waterdrop G3P600 Tankless RO | RO | under sink | Amazon listing | |
 | Waterdrop D6 Reverse Osmosis System | RO | under sink | Amazon listing | |
 | Home Master TMHP-L HydroPerfection RO | RO | under sink | Amazon listing | |
 | Express Water NSF Certified 5-Stage RO | RO | under sink | Amazon listing | |
 | ProOne Big+ Gravity Countertop Filter | Composite | countertop | Amazon listing | |
 | Aquasana Countertop Water Filter | Activated carbon | countertop | Amazon listing | |
 | Waterdrop TK Gravity Water Filter System | Composite | countertop | Amazon listing | |
 | everydrop Refrigerator Filter 1 | Activated carbon | countertop | Amazon listing | |
 | Waterdrop UKF8001 Compatible Fridge Filter | Activated carbon | countertop | Amazon listing | |
 | GE MWF Refrigerator Water Filter | Activated carbon | countertop | Amazon listing | |
 | Waterdrop WD-F27 HAF-CIN Compatible Fridge Filter | Activated carbon | countertop | Amazon listing | |
 | AquaBliss High Output Universal Shower Filter | Activated carbon | shower | Amazon listing | |
 | Sprite HO2-CM-M High Output Shower Filter | Activated carbon | shower | Amazon listing | |
 | Aquasana Rhino Whole House WH-1000 | Composite | whole home | Amazon listing | |
 | Express Water Heavy Metal Whole House 3-Stage | Composite | whole home | Amazon listing | |
 | iSpring WGB32B 3-Stage Whole House | Composite | whole home | Amazon listing | |
 | VARIFY 17-in-1 Drinking Water Test Kit | Composite | countertop | Amazon listing | |
 | Hach Nitrate/Nitrite Test Strips | Composite | countertop | Amazon listing | |
 | Brita Longlast+ Replacement Filters (3-Pack) | Activated carbon | pitcher | Amazon listing | |
 | PUR PLUS Faucet Replacement Filters (2-Pack) | Activated carbon | faucet | Amazon listing | |
 | ZeroWater Replacement Filters 4-Pack | Ion exchange | pitcher | Amazon listing | |
 | APEC Essence Filter Set for ROES-50 | RO | under sink | Amazon listing | |
 | iSpring F7-GAC 1-Year Filter Set for RCC7 | RO | under sink | Amazon listing | |
 | Waterdrop G3-N1CF Replacement Filter | RO | under sink | Amazon listing | |
 | Frizzlife Under Sink Water Filter System | Activated carbon | under sink | Amazon listing | |
 | Waterdrop 15UA Under Sink Water Filter | Activated carbon | under sink | Amazon listing | |
 | Aquasana Claryum 3-Stage Under Sink | Activated carbon | under sink | Amazon listing | |
 | Culligan US-4 EZ-Change Under Sink System | Activated carbon | under sink | Amazon listing | |
 | Epic Water Filters Pure Pitcher | Composite | pitcher | Amazon listing | |
 | Waterdrop WHF21-SH Whole House Filter (well water, 5 µm) | Composite | whole home | Manufacturer page | — |
 | Waterdrop WHF2E-PC Whole House 2-Stage | Composite | whole home | Manufacturer page | — |
 | Waterdrop WHF2E-FC Whole House 5-Stage (WD-WH) | Composite | whole home | Manufacturer page | — |
 | Waterdrop WHF3E-SKH Whole House 3-Stage | Composite | whole home | Manufacturer page | — |
 | Waterdrop X16 Reverse Osmosis System | RO | under sink | Manufacturer page | — |
 | Waterdrop X12 Reverse Osmosis System | RO | under sink | Manufacturer page | — |
| Waterdrop G3P-G600 Tankless RO (WD-G3P600) | RO | under sink | Manufacturer page | |
 | Waterdrop C2SL Countertop Mineral RO | RO | countertop | Manufacturer page | — |
 | Waterdrop M6H Instant Hot Countertop RO | RO | countertop | Manufacturer page | — |
 | Waterdrop ED07LW Countertop Electric Water Filter | Activated carbon | countertop | Manufacturer page | — |
| ZeroWater 10 Cup Pitcher | Activated carbon | pitcher | Manufacturer page | |
 | ZeroWater 12 Cup Ready-Pour Pitcher | Activated carbon | pitcher | Manufacturer page | |
 | ZeroWater 22 Cup Ready-Read Pitcher + 2 Filters | Activated carbon | pitcher | Manufacturer page | |
 | Waterdrop Sink Filter Water Faucet (skin-care line) | Activated carbon | faucet | Manufacturer page | — |