SoftPro Iron Filter - Iron Master AIO - Best Iron Filter for Well Water [Air Injected Water Filter / Katalox]
Iron Master AIO — Iron Filtration Rated to 30 ppm, Independently Certified, Priced Factory-DirectNo chemicals, no cartridges — air injection oxidation, backed by a lifetime warranty.
$2,036.50
$1,517
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BUILT IN USA
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EASY INSTALLATION
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LIFETIME WARRANTY
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60-DAY MONEY BACK GUARANTEE
1.0 Cubic Foot - Min. 5 GPM Flow Rate Req.
1.5 Cubic Foot - Min. 7 GPM Flow Rate Req.
2.0 Cubic Foot - Min. 10 GPM Flow Rate Req.
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27 Sep 2026
Order Received
29 Sep 2026
Order Shipped
01 Oct 2026
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Stop Bathing in Contaminated Water. Join 100,000+ Homeowners Who Made the Switch.
3-Step Process
Order to Installed — What Each Step Actually Involves
1
Confirm and Order
Order to Iron Master AIO and it will be there in no time.
2
Ships in 1–2 Day
Tracked from dispatch to your door.
3
Install and Confirm
Most complete it in an afternoon; results confirmed by retest, not just observation.
Remove Iron Stains, Metallic Taste, & Rotten-Egg Smell From Every Tap in Your Home — Without Chemicals or
Cartridges :
The SoftPro Iron Master AIO removes iron up to 30 ppm, manganese up to 7 ppm, and hydrogen sulfide from well water.
It cleans itself automatically every night, so there's nothing to refill or replace on a routine schedule.
It comes with a lifetime warranty and a 60-day money-back guarantee.
Iron, Manganese, & Hydrogen Sulfide: The Triple Threat in Well Water
If You Have Orange Stains, a Metallic Taste, and a Sulfur Smell, You Probably Have Three Contaminants, Not One
Most well owners we speak to describe the same three symptoms. The first is orange staining that returns within days of cleaning. The second is a metallic taste that affects coffee and drinking water. The third is a rotten-egg smell that is strongest when the hot water runs.
These symptoms usually have three separate causes: dissolved iron, manganese, and hydrogen sulfide. They tend to appear together because they share a source. Groundwater picks them up as it passes through iron-bearing rock and soil before it reaches your well.
That explains why the usual fixes fail. A water softener isn't designed to remove any of these three contaminants. A standard carbon filter isn't built for the concentrations that wells commonly produce. Solving the problem requires equipment designed specifically for it.
Why Your Softener or Carbon Filter Can't Remove Iron, & What Happens If You Try
A softener removes hardness minerals, which are calcium and magnesium. It isn't designed to handle sustained iron. When untreated iron reaches the softener, it fouls the resin bed within months. That reduces the softener's real capacity, often before you notice any change.
A carbon filter is designed for chlorine and organic compounds, not high-concentration iron.
The Iron Master was engineered for iron removal from well water. Its air injection assembly, Katalox media, and 1-inch high-flow valve were each chosen for that job
None of them were adapted from equipment designed for a different purpose.
How the Iron Master Removes Iron Using Oxygen Instead of Chemicals
Many iron filters rely on chemicals such as chlorine or potassium permanganate. That means ongoing purchases, storage, and refills. If the chemical runs out, the iron comes back.The Iron Master doesn't use chemicals. Here's what happens to your water :
Oxidation : A pocket of compressed air sits at the top of the tank. Incoming water passes through it, and the oxygen converts dissolved iron and manganese into solid particles.
Filtration : A bed of Katalox media traps those particles before water reaches any fixture, appliance, or glass.
Self-cleaning : An automatic overnight backwash flushes the trapped particles to drain and recharges the air pocket for the next day. The result: there are no cartridges to change and no chemicals to buy or refill.
Rated removal capacity :
Iron up to 30 ppm, in dissolved, particulate, and colloidal forms.Manganese up to 7 ppm. Hydrogen sulfide at the concentrations that cause rotten-egg odor.A modest rise in pH as a by-product of oxidation. This helps if acidic well water is corroding your copper pipes.
How the Iron Master Compares With Other Severe-Iron Systems
No Chemicals Required
Works Across a Wider pH Range
No Disinfection By-Products
No Second Filter Needed
Iron Master AIO
Greensand
Birm
Chemical Chlorination
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Choose Your Size in About a Minute Using the Bucket Test
Choosing the right tank size is the most important decision on this page. It determines whether the system performs as rated. The deciding factor is your well pump's sustained flow rate at the pressure tank outlet, not the number of bathrooms.
If the tank is too small for your flow rate, you'll notice a pressure drop whenever two fixtures run at once, such as a shower and a washing machine.
If the tank is too large for your pump, the backwash can't clean and re-bed the media properly. Performance then declines gradually, with no obvious warning, until iron reappears.
How to measure your flow rate (GPM) :Turn off every tap in the house. Use an outdoor spigot close to the pressure tank.Open it fully and let it run for 30 seconds.Time how long it takes to fill a 5-gallon bucket.Divide 5 by the number of seconds, then multiply by 60. The result is your GPM.
Everything You Need for a Complete Installation Is in the Box
You won't need an extra trip to the hardware store. Your order includes : Iron Master AIO tank in your chosen size (1.0, 1.5, or 2.0 cubic feet)Katalox filtration media, pre-loaded and ready to commission.
1-inch programmable control valve with 4-line LCD display and electronic touchpad. Air injection assembly built into the control valve
Standard plumbing connections and bypass valve hardware. Printed installation guide plus a QR-linked video walkthrough
Direct phone access to our well water support team. Optional add-ons at checkout: quick-connect flexible hose kits (3/4" and 1") and a weather-resistant valve cover for outdoor or semi-exposed installations.
Most Homeowners Install It in Two to Four Hours
The Iron Master is installed at the main point of entry, directly after your pressure tank and before the line branches to the rest of the house.
That way, every fixture and appliance receives treated water. It needs no chemical feed equipment, no extra pressurized tanks, and no secondary pump.
If you also have a softenerell pump → pressure tank → Iron Master AIO → softener → household supply Iron must be removed before water reaches the softener. If the order is reversed, iron will foul the softener's resin.
Homeowners with basic plumbing experience typically finish in two to four hours. If you'd rather use a plumber, your warranty is unaffected. And if you get stuck on any step, you can call our support team.
Installation steps :
Switch off the pump at the breaker and release line pressure.
Connect inlet and outlet to your supply line using the included fittings.
Install the bypass valve so the system can be serviced without shutting off water to the house.
Run a drain line for the backwash cycle (typically 2–4 GPM during discharge). Plug the control valve into a standard 120V outlet.
Enter your water conditions on the LCD touchpad and run an initial backwash.
If Your Water Is Also Hard, Pair the Iron Master With a Softener
Many wells contain both iron and hardness, and each needs its own equipment. The Iron Master removes iron, manganese, and sulfur.
A softener removes the calcium and magnesium that cause scale, spotted glassware, and dry skin. Neither can do the other's job.When the two are installed in sequence, with the Iron Master first, they treat everything a typical iron-bearing well produces.
The softener also benefits. Because it receives iron-free water, it operates efficiently, regenerates correctly, and lasts years longer than it would treating raw well water. If you're buying both, we'll help you choose compatible sizes.
Independently Certified, So You Don't Have to Take Our Word for It
We only sell iron filters whose performance has been verified independently, not just claimed by the manufacturer. SoftPro's iron filtration line meets that standard:
NSF certification means components in contact with your water have been evaluated as safe.
ISO 9001 means its manufacturing process is audited and consistent.
ANSI compliance means its components meet established engineering benchmarks.Most iron filters on the market don't meet this standard.
IAPMO certification :
means it meets recognized U.S. plumbing standards.
WQA testing :
means its contaminant removal figures are verified against independent lab data.
You Take No Risk: A Lifetime Warranty & a 60-Day Money-Back Guarantee
Lifetime Warranty. The pressure tank, control valve, and core filtration components are covered for the life of the system against defects in materials or workmanship under normal residential use. There is no fine-print expiration.
60-Day Money-Back Guarantee. Sixty days gives you time to see several backwash cycles complete and to retest your water. That's long enough to confirm the staining has stopped and the smell has cleared. If it hasn't delivered, contact us for a straightforward refund.
Expert support before, during, and after purchase. Iron filtration involves real variables: your concentration, your pump's actual output, and whether iron bacteria are present. Before you buy, we'll help you interpret your water analysis report and confirm sizing. During installation, we're available by phone. After installation, we're still here.
How the Iron Master Compares With Other Severe-Iron Systems
Greensand filters need ongoing potassium permanganate dosing to regenerate, which adds chemical cost and handling; the Iron Master AIO needs no chemicals at all. Birm only works reliably above pH 6.8, which rules out many naturally acidic wells, while the Iron Master works across a wider pH range.
Chemical chlorination leaves disinfection :❯
By-products that need a second filter downstream; the Iron Master leaves no by-products, so no second filter is needed. In short, Katalox with air injection treats a wider iron range across a wider pH range, with nothing to buy, store, or refill.
The Iron Master removes dissolved (ferrous) iron :❯
Which is invisible from the tap but oxidizes in air and leaves orange-brown stains in toilets, around drains, and wherever water sits. It also removes particulate (ferric) iron, the visible rust that clogs aerators and appliance filters. It handles manganese, which causes black stains that are often harder to remove than rust, along with a bitter, metallic taste.
It also eliminates hydrogen sulfide :❯
The rotten-egg smell caused by sulfur-reducing bacteria in the water table. Iron bacteria, which leave a slimy reddish residue and a foul smell, can't be treated by the system on its own. The well must be shock-chlorinated first, or a new filter can be recontaminated within weeks.
Get Stain-Free, Odor-Free Water Without Chemicals, Backed by a 60-Day Guarantee
Rust stains, a sulfur smell, and a metallic taste are all common in well water, and all three are fixable.
The Iron Master AIO removes them with no chemicals to buy, store, or run out of.
It includes a lifetime warranty and a 60-day money-back guarantee.
Choosing Your Size and Keeping It Running
The 1.0 cubic foot tank needs a minimum flow rate of 5 GPM and suits most single-story homes with one to two bathrooms on a standard pump. The 1.5 cubic foot tank, at 7 GPM, is the most common residential choice and is best for larger homes or heavier iron loads. The 2.0 cubic foot tank, at 10 GPM, is built for high-volume pumps, irrigation on the same line, or iron near the top of the removal range.
Maintenance is minimal. Once a year, do a quick visual inspection: check connections for moisture, confirm the bypass valve moves freely, and look for fault codes, which takes under fifteen minutes.
Every few months, confirm backwash is completing; the drain line should flow for the full 15 to 20 minutes, and yellow-brown or slightly sulfurous discharge is normal. Retest your well water every year, since changes in sulfur, pH, or new contaminants may mean the system needs reconfiguring.
The media needs replacing every 3 to 10 years depending on your iron and sulfur load, and a gradual return of odor or staining signals that replacement is approaching.
Questions Well Owners Ask Before Buying
Will it remove the sulfur smell as well as the stains?
Yes. Hydrogen sulfide is removed by the same air injection process that treats iron and manganese. Most homeowners notice the odor has gone within days of installation.
How do I know I need this rather than a carbon filter?
If your water test shows iron or manganese, or your water smells of rotten eggs, you need this system. Carbon filters treat chlorine and organic compounds. They aren't designed for iron at meaningful concentrations.
Will it reduce my water pressure?
Not when it's sized correctly for your pump's flow rate, which is why the sizing step matters. The 1-inch valve ports are designed to avoid the flow restriction that smaller-ported competitor systems experience at peak demand.
How much day-to-day attention does it need?
Very little. Backwash runs automatically overnight. Beyond an annual inspection and periodic backwash checks, there is nothing to refill, dose, or replace on a routine schedule.
Do I need a water test before ordering?
We strongly recommend one. Your iron concentration and your pump's flow rate determine the correct tank size and configuration. Send us your water analysis report and we'll confirm sizing free of charge before you commit.
Can I install it myself?
Most homeowners with basic plumbing experience can, in an afternoon. The control valve ships pre-programmed with baseline settings, and our support team is available by phone. Using a plumber is also fine and does not affect your warranty.
What if I have both iron and hardness?
This is very common. Install the Iron Master first and the softener second, so iron is removed before it reaches the softener resin. We can help you size both.
Does this replace a sediment filter?
Not if your water contains turbidity. A sediment pre-filter upstream protects the Katalox media from physical fouling and extends its service life. Add one if you see cloudiness or fine particles.
What Customers Report After Installation
JULIE M. - FLORIDA
Verified Customer
After we installed the Softpro Elite I noticed a significant difference in the house water quality.
DANIEL R. - TEXAS
Verified Customer
I just wanted to say thank you for your excellent products and service over the past 12 years.
DAN T. - SOUTH CAROLINA
Verified Customer
Great customer service before and after my softener purchase!
DENISE C. - NEW HAMPSHIRE
Verified Customer
Easy to install. Jeremy helped in making the right purchase!
ROY P. - CALIFORNIA
Verified Customer
Very impressed and satisfied with SoftPro's products and customer service!
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