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WH5B

Iron / Hydrogen Sulfide

Reduction Filter Package

w/ Sediment Pre-Filter

Package Contents:

two (2) heavy-duty Pentek Big Blue 20" filter housings (1" NPT) w/ pressure relief button

•

one (1) powder-coated dual mounting bracket and related screws

•

one (1) Pentek RFFE20-BB radial flow iron reduction filter cartridge

•

one (1) Pentek DGD-5005-20 dual-gradient 5 micron sediment pre-filter

•

one (1) spanner wrench

•

The WH5B iron / hydrogen sulfide reduction filter package contains manganese dioxide media

which reduces iron, manganese, and hydrogen sulfide through an oxidation / filtration process,

thereby substantially improving water clarity, taste, and odor, while at the same time protecting

your plumbing system including toilets, bath tubs and showers, and appliances such as clothes

washers and dishwashers, from unsightly staining. It does NOT add any harmful chemicals to the

water, making it completely safe for drinking water applications. A high-capacity 5 micron

sediment pre-filter extends the life of the primary iron filter by trapping sediments, debris, and

oxidized ferric iron particles to prevent pre-mature clogging.

This system should be employed where low to moderate ferrous (dissolved) iron, manganese, or

hydrogen sulfide contamination is known or expected. This filter will also remove ferric iron

through mechanical filtration. This filter is most effective where iron contamination level is less

than 3 ppm (and no greater than 5 ppm) or the hydrogen sulfide level is less than about 2 ppm. If

a combination of iron, manganese, and hydrogen sulfide are present, you must consider the "iron

equivalent" level when determining if this filter will work effectively in your circumstance (see

below). Best contaminant removal rates are achieved where the pH is 7.0 or higher, although

satisfactory contaminant removal can generally be achieved at slightly lower pH levels (6.8 to 6.9)

under most conditions. This filter is not recommended where pH levels are less than 6.8. For best

results, pre-sediment and post-carbon treatment is recommended. A pH level of 8.0 is desirable

for optimal manganese reduction.

The life of the filter depends on the contamination level ("iron equivalent") and amount of water

consumed on a daily basis. You can get a good idea of how long a filter will last in your case by

using the chart below.

"Iron Equivalent" is calculated as follows: