5 cu ft Commercial Filox System Fleck 2850

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Product Features

Complete System

18-inchx65-inch resin tank
Riser tube with stacked distributor basket
Fleck 2850 Control Head
5 cubic feet Filox*
Gravel Bed
Choice of connection

Commercial System

Designed for very high flow applications matching system capacitites


No potassium permanganate or any other chemicals are required for operation of the system, it simply backwashes with water.

Removes up to 15 ppm iron

Causes red/orange staining with levels as low as 0.3 ppm. Treats both ferrous (clear water or dissolved) and ferric (red water or oxidized) iron.

Removes up to 7 ppm hydrogen sulfide

The cause of rotten egg odor. Incorrectly referred to as sulfur most of the time.

Removes up to 3 ppm Manganese

Can cause black slime buildup in toilet tanks and may impart a metallic taste to the water

20 GPM Service Flow

Treats a continuous flow rate of 20 GPM. Intermitten flow rates of up to 30 GPM are possible.

21.2-26.5 GPM Backwash Flow

Requires a minimum of 21.3 GPM available backwashing. 26.5 GPM is recommended for optimal system performance and medial life.

Fleck 2850 Control Head

Combines reliability and digital ease-of-use

Structural USA Resin Tank

Durable, high quality polyglass tank made by a trusted name in tank manufacturing

Filox* Media

Uses a highly refined manganese dioxide media for the best results

DIY Installation

Simple system connections and included service manual for simple installation.


Product Description

Iron is a common problem in homes today. It causes red staining on fixtures, as well as turning clothes and sometimes even your hair a reddish orange color. Iron bacteria is sometimes present in water with iron, creating a slimy build up in standing water (such as your toilet tank) and can smell like rotting vegetation. Hydrogen Sulphide (mistakenly called sulfur quite frequently) is easily detected by the presence of a "rotten egg" odor, and is sometimes associated with yellow staining. Manganese is most often seen as a black slimy substance that builds in standing water, and may impart a metallic taste to the water.

The Filox* system provides high contaminant removal with excellent service flow rates and reasonable backwash flow rates. Combined with chemical free performance and competitive pricing, the Filox* system is one of the most popular systems for treatment of iron, hydrogen sulfide, and manganese.

Topped with the Fleck 2850 control head with a 1.5" brass valve that automatically backwashes to keep the media clean and performing. The backwash process uses no chemicals, simply using the force of water to clean the media and flush the contaminants down the drain. Made by Fleck, the #1 manufacturer of control heads in the US, the 12-day timer allows for a wide range of setting options.

More Info

Replacement Media:
- Qty Needed:10
- Qty Needed:60
*Important Note
Filox is the most widely known brand name for filtration media containing a minimum of 75% manganese dioxide. Other brand names shipped may include (but are not limited to): Catalox, Terminox, and MangOx, all containing a minimum of 75% manganese dioxide.
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