Springwell is the best-known premium whole house filter brand for well water. Here's everything about the company and which system to buy.
Springwell Water Filtration Systems is based in Florida and sells factory-direct, cutting out distribution markups. Their 6-month money-back guarantee is the most generous in the whole house filter category. Systems are made with NSF-certified components and backed by lifetime warranties on tanks and valves.
| CF1 / CF4 — Whole House Carbon Filter | City water chemicals — chlorine, PFAS, VOCs. Not for iron or bacteria. |
| WF1 / WS1 — Well Water Iron Filter | Iron (7 PPM), sulfur (8 PPM), manganese (1 PPM). Air injection oxidation. |
| WF4 / WS4 — Large Home Well Filter | Same as WF1 but 20 GPM for larger households. |
| FutureSoft — Salt-Free Conditioner | TAC scale prevention without salt. For moderate hardness. |
| Salt-Based Softener | Traditional ion exchange softener. Can be bundled with WF1. |
| UV Add-On | Inline UV system — kills bacteria. Pairs with any Springwell filter. |
| City water, want to remove chemicals | CF1 or CF4 |
| Well water with iron and/or sulfur | WF1 (or WF4 for large homes) |
| Well water + hardness | WF1 + salt-based softener bundle |
| Well water + bacteria concern | WF1 + UV add-on |
| Scale prevention, no significant iron | FutureSoft salt-free |