Record WT-0046 ยท Last verified September 2026
AFWFilters Air Injection Titanium Iron and Sulfur Filter with Katalox Light (KL) media and Fleck 2510 AiQ air injection valve
Whole-house filter (well water) by AFWFilters. No system-level certification found at NSF, IAPMO, WQA or CSA.

We may earn a commission. It never changes a grade.
Scorecard
| Measure | Grade | Basis |
|---|---|---|
| Certification evidence | D | Maker claims only, no certification or published lab data |
| 10-year cost | A | $1,789 over 10 years |
| Flow rate | D | 6 gpm rated flow |
| Warranty | B | 10 years on main parts |
| Returns | D | 120 days, 30% restocking fee |
What it treats
"Certified" means an independent body (NSF, IAPMO, WQA or CSA) lists this system for that contaminant. "Lab tested" means the maker published a third-party lab report. "Maker claim" means neither.
| Contaminant | Evidence | |
|---|---|---|
| Iron | Maker claim | Other systems for Iron |
| Hydrogen sulfide | Maker claim | Other systems for Hydrogen sulfide |
| Manganese | Maker claim | Other systems for Manganese |
No claim made for: Chlorine, Chloramine, PFAS, Lead, Hardness, Bacteria, Sediment, VOCs, Arsenic, Nitrate, Fluoride, Copper, Uranium.
PFAS evidence: No PFAS claim.
Certifications
No certification of any kind found for this system.
Specifications
| Type | Whole-house filter (well water) |
|---|---|
| Technology | Air injection oxidation |
| Water source | Private well |
| Price | $1,289 to $1,629 |
| Rated flow | 6 gallons per minute |
| Media | Katalox Light (KL) catalytic manganese dioxide media (Filter-Ox may be substituted depending on inventory), gravel underbedding |
| Stages | 1 |
| Port size | 3/4 inch or 1 inch (buyer picks plastic MNPT or stainless FNPT bypass) |
| Needs a drain | Yes |
| Needs power | Yes |
| DIY install | Yes, with basic plumbing skills |
| Dimensions | 10 x 54 in tank, 62 in overall height |
| Warranty | 1 year on the Fleck 2510 AiQ air injection control valve and 10 years on the mineral tank (AFW air injection information page; the Pentair limited warranty AFW publishes lists Fleck AIO air injection valves at 1 year and PolyGlass tanks 13 in and under at 10 years). AFW's general FAQ quotes 5 years for Fleck controls, which does not apply to the AIO valve. |
| Returns | 120-day money-back guarantee from delivery on direct store orders (arrange the RMA within 120 days, return within 14 days of RMA): new-sealed or new-opened systems refunded less original shipping; used or installed systems refunded less a 15% restocking fee (RMA issued days 0-59) or 30% (days 60-120); return shipping paid by customer; opened media, resin, filters and all chemicals excluded; Amazon, eBay and Walmart purchases follow those marketplaces' policies. |
10-year cost
| Item | Each | Times in 10 years | Cost |
|---|---|---|---|
| System purchase | $1,289 | 1 | $1,289 |
| Installation (assumed, professional) | $500 | 1 | $500 |
| Total | $1,789 |
Install assumption: $500 for whole-house systems, $150 for under-sink units. Installing it yourself brings the total to $1,289. Try your own numbers in the 10-year cost calculator.
Owner reports
No consistent complaint pattern found in public owner reviews.
Sale prices against 'standard' prices: Titanium 10 $1,289 ($1,599), 15 $1,459 ($1,875), 20 $1,629 ($2,244). Titanium is AFW's Katalox Light tier of its single-tank air injection line: up to 15 ppm iron, 6 ppm H2S, 2 ppm manganese, salt and chemical free, minimum 4 GPM backwash and backwash as rarely as every 7 days (AFW comparison chart; larger tanks need more backwash flow). Siblings on the same valve: Silver (up to 10 ppm iron, 4 ppm H2S), Gold (12 ppm iron, 10 ppm H2S), Platinum (20 ppm iron, 15 ppm H2S, 6 ppm manganese, 6.5 GPM backwash every 2 days); also Iron Defender (5600SXT) series. Needs a 120 V outlet within 5 ft, 20-90 psi, installed after the pressure tank. No pH limit or media life stated. No NSF, WQA or IAPMO listing for AFW or Abundant Flow Water. No Trustpilot profile; 1 on-site review (5 stars, Jul 2026). No affiliate program found.
Alternatives in the same category
| System | Grade | Price | 10-yr cost | Certified to |
|---|---|---|---|---|
| SpringWell WS1 | C | $2,231 | $2,731 | None |
| SpringWell WSSS1 | C | $3,124 | $3,624 | None |
| SoftPro Iron Master AIO | C | $1,517 | $2,692 | None |
| Aquasana Rhino Well Water with UV WH-WELL-UVS (WH-WELL-UV) | C | $1,749 | $8,523 | None |
| US Water Systems Flexx Oxi-Gen (081-FX) | C | $2,230 | $2,730 | None |
Sources
- store.afwfilters.com/air-injection-titanium/air-injection-titanium-10-system-iron-and-sulf
- store.afwfilters.com/iron-sulfur-filters/air-injection-systems/air-injection-titanium/air-
- store.afwfilters.com/iron-sulfur-filters/air-injection-systems/air-injection-titanium/air-
- store.afwfilters.com/air-injection-system-information/
- store.afwfilters.com/air-injection-systems/
- store.afwfilters.com/replacement-parts-resin-media/air-injection-titanium-10-refill-kit-ai
- store.afwfilters.com/replacement-parts-resin-media/air-injection-titanium-15-refill-kit-ai
- store.afwfilters.com/replacement-parts-resin-media/media-resin/iron-removal/kl-katalox-lig
- store.afwfilters.com/replacement-parts-resin-media/fleck-controls-parts/fleck-2510-series/
- help.afwfilters.com/portal/en/kb/articles/installation-instructions-for-air-injection-syst
- help.afwfilters.com/portal/api/kbArticles/506811000002538214/locale/en/attachments/g5k5bef
- help.afwfilters.com/portal/en/kb/articles/no-questions-asked-120-day-money-back-guarantee
- help.afwfilters.com/portal/en/kb/articles/pentair-water-t
- store.afwfilters.com/faq
- info.nsf.org/Certified/DWTU/Listings.asp?CompanyName=abundant
- info.nsf.org/Certified/DWTU/Listings.asp?TradeName=afw
- find.wqa.org/find-products
- trustpilot.com/review/afwfilters.com