Nelsen Corporation
AIO 12" x 52" Katalox Filter
AIO 12" x 52" Katalox Filter
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- Free shipping in the USA
- 90-day returns
- Secure checkout
A complete whole-house air-injection filter. One price includes everything listed below.
What's in the box
| Size | Mineral tank | Media | Control valve |
|---|---|---|---|
| 12" x 52" | 12" x 52" | Katalox Light catalytic filter media | Fleck 2510SXT air-injection valve |
- Control valve: Fleck 2510SXT air-injection valve with built-in air injection.
- Bypass: 3/4" bypass valve (included).
- Mineral tank: black fiberglass-wrapped mineral tank with support bed and distributor.
- Media: Katalox Light catalytic filter media, sized to the tank.
- Also included: 1" plumbing adapters, install and service manuals.
- Ships pre-built, ready to install, free in the US.
How it works
The valve draws a pocket of air into the top of the tank. Water passes through the air, which oxidizes iron, manganese and hydrogen sulfide into particles, and the media bed filters them out. Every day the valve backwashes the bed, sends the trapped particles to drain and refreshes the air pocket.
Media benefits
- Removes iron, manganese and hydrogen sulfide (rotten-egg smell) in one tank
- Handles high flow rates in a compact tank
- Long media life
- Backwashes the trapped particles to drain automatically
- Air injection oxidizes iron, manganese and sulfur with plain air, so no chemicals or chlorine are added
Why this system costs what it does
| This system | Typical lower-priced kits | |
|---|---|---|
| Iron and sulfur treatment | Air injection: oxidizes with plain air, no chemicals | Often chlorine or permanganate feed, or no oxidation step |
| Filter design | Automatic daily backwash keeps the media bed clean | Often a non-backwashing upflow head or a cartridge housing |
| Bypass valve | 3/4" bypass included | Often not included or an extra option |
| Media | Named media, sized to the tank | Media type or amount often not stated |
| Delivery | Ships pre-built, ready to install | Often ships in pieces for you to assemble and load |
| Shipping | Free in the US | Free only above a minimum, or extra |
Not sure which size? Send a water test or tell us your symptoms and we will size it free.
Ships preloaded and ready to install. The Katalox-Light media is already loaded in the tank and the control valve is mounted and set up at the factory, so there is no media to pour. Set it in place, connect it to your plumbing and plug it in.
The AIO 12" x 52" Katalox Filter in parcel-delivery configuration brings premium multi-contaminant treatment to larger homes, packaged for convenient carrier shipment. By combining advanced Katalox Light media with an efficient Enpress Vortech tank, this single-tank air injection system removes iron, manganese, and sulfur from well water without chemicals, tackling several stubborn problems in one capable unit.
Comprehensive Contaminant Removal
Katalox Light media is highly effective at capturing oxidized iron, manganese, and hydrogen sulfide, the three most common culprits behind discolored, smelly, and staining well water. The AIO maintains an air pocket atop the Vortech tank that oxidizes these contaminants as water enters, after which the Katalox Light bed filters them out. The Vortech tank's plate design enhances backwash efficiency during the automatic daily regeneration driven by the Fleck 2510SXT valve.
- 12" x 52" black Enpress Vortech mineral tank
- Katalox Light filter media
- Fleck 2510SXT air injection control valve
- 3/4" bypass valve included
- Packaged for convenient parcel delivery
- Approximately 238.96 lbs with media and support bed
This high-capacity parcel-ready system is built for larger households or properties where iron, manganese, and sulfur appear together and demand a versatile filtration media. Katalox Light handles all three, while the Vortech tank conserves water during regeneration. The system installs on the main water line at the point of entry for whole-house coverage, and the included 3/4" bypass valve makes service straightforward. With automatic, chemical-free operation and packaging prepared for parcel delivery, this AIO Katalox filter is a powerful, low-maintenance solution for difficult well water.
The parcel-ready packaging makes this high-capacity Katalox system accessible to homes that can't receive freight shipments, while the 12-inch Vortech tank delivers both ample service flow and water-efficient regeneration. Katalox Light's ability to handle iron, manganese, and sulfur in one media is ideal for larger homes with demanding, mixed water chemistry. Testing for all three contaminants before purchase confirms the fit, and once installed, the system provides thorough, chemical-free, whole-house treatment that keeps water clean and clear with minimal upkeep. Over the long run, this single-media approach saves both effort and the cost of treating each contaminant separately.

