The Springwell WS1 and WF1 are the same system — Springwell uses both designations. Here's the full review.
The Springwell WS1 and WF1 refer to the same air injection oxidizing well water filter system. Some listings use WS1, others WF1. Specs and performance are identical. If you're shopping between them, you're looking at the same product.
For the complete review of this system, see our full Springwell WF1 review →
| Also known as | Springwell WF1, WS1, AIO well water filter |
| Iron removal | Up to 7 PPM |
| Sulfur removal | Up to 8 PPM |
| Manganese removal | Up to 1 PPM |
| Flow rate | 12 GPM (WS1/WF1), 20 GPM (WS4/WF4) |
| Technology | Air injection oxidation — no chemicals |
| Warranty | Lifetime on tanks and valves |
| Guarantee | 6-month money-back |