
The
ClearTap™ F20 Filter
The
ClearTap™ F20 Filter is an in-line Carbon-block filter
that filters water controlled from a proprietary valve
cartridge developed by American Standard Inc. This valve
cartridge
directs cold water and cold water only to the filter when
the single
control handle is shifted into the filtering mode. There
is a separate waterway, built into the faucet, which carries
the
filtered
water from the filter to the end of the spout of the fitting
so that there is no chance of mixing filtered and unfiltered
water.
The Technology The
ClearTap™ Filter, model F20, consists of a 11 ½ inch
long by 1 inch diameter Carbon-block with a ¼ inch hollow
core that is capped on both ends. This Carbon block is made by
extruding a binder, carbon particles and additional special materials
to make a solid filter core. Water flows from the outside of
the block, through the block, into the hollow center of the block
and out through the bottom cap. The top cap seals the filter
into the filter canister.
The ClearTap™ Filter, model F20, filter core is a combination of materials:
binder, activated Carbon, Silver impregnated Carbon and ATS (a special lead trapping
material).
The binder is a plastic material that serves to adhere all of the various core
components together. The binder is an inert plastic, polyethylene, which serves
as a matrix. This matrix gives the core its solid structure.
The activated Carbon in the ClearTap™ Filter, model F20, adsorbs Chlorine
from the water. Due to the high surface area of the Carbon particles, a great
deal of Chlorine can be taken out of the water. The efficiency of the Chlorine
reduction is 98.9% as measured and certified by NSF International, an independent
standard setting and certification agency. The activated Carbon in the ClearTap™ Filter,
model F20, also removes odors and improves taste in the water.
The ATS in the Carbon block filter core is a special material that traps Lead
in a lattice structure, cleaning the water of this element. The ClearTap™ F20
filter reduces the Lead in water by 99.3% as measured and certified by NSF International,
an independent standard setting and certification agency.
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