Multipure Undersink Water Filters

Multipure Water FiltersPutting a filter underneath your sink leaves more countertop space and looks neater, and Multipure undersink water filters are built to provide exactly this type of filtration. Their stainless steel shell and dense block of solid carbon used as a cartridge make them rather heavy for their size at 5 pounds, but this is still light enough for easy installation. The most typical model, the Aquaversa, measures 9.4” by 6” and fits easily into most cabinets found beneath sinks.

Construction and assembly

Multipure undersink water filters are built with stainless steel casings, which have advantages in several areas – health, durability, and ecological considerations. Since stainless steel is fully recyclable, it is a more sustainable material than others. The day when recycling becomes necessary is likely to be far in the future, however, since it is resistant to breakage and all types of wear and tear. Stainless steel is resistant to corrosion and chemically neutral, so it will not affect your water other than perhaps a slight metallic taste while first breaking it in.

These filters mount to the interior wall of the cabinet under the sink, using a bracket. Some models also have converter kits enabling their use as countertop filters. There seems little reason not to buy a countertop filter in the first place if desired, but the potential to convert these filters into countertop variants adds to the product's flexibility.

There are two different choices in the way these Multipure undersink water filters can be configured. One type has a built-in designer faucet attached to it already. The owner mounts the filter right under the sink and sets up the faucet to jut up through the space provided for it. A chrome finish is the free default for this configuration, but you can also opt for bronze, brass, brushed nickel, brushed stainless steel, oil-rubbed bronze, almond, black, or white finishes at a slight extra cost.

The other configuration enables you to use the filter with your existing sink and faucet, with an in-line connector to link it to your tap. The filter can be mounted farther from the faucet this way, too, since a pipe or hose can be installed to link the two together. The input and output couplings are both the standard ¼” size used for most sink connections in the U.S>

Capabilities of the Multipure undersink water filters

Multipure undersink water filters contain a solid carbon block for filtration, which acts as both a mechanical and chemical filter. Mechanically, particles are sieved from the water as it passes through by sub-micron diameter gaps that allow the fluid through but snare rust, sand, silt, and microorganisms or parasites. Chemically, the carbon binds to many substances, effectively neutralizing them.

The filter functions properly anywhere between 30 and 100 pounds per square inch (psi) water pressure. Under 30 psi, the water can't push through the dense carbon and will slow to a trickle. Above 100 psi, the water will damage the filter cartridge and possibly shred it. At an ideal of 60 psi, Multipure undersink water filters provide a flow of ¾ gallon (0.75) per minute.

Under normal use, these undersink devices can filter up to 750 gallons before the cartridge is clogged and must be replaced. If you notice the water flow slowing down, this is probably a sign that the cartridge is about to give out. The cartridge is assumed to last about 1 year under regular use, but if you filter large amounts of water, it may well need replacement sooner.

A capacity monitor can be added to Multipure undersink water filters, giving you an LED display that shows when it's time to change the cartridge. The monitor also increases the effective life of each cartridge to 1,200 hours, making it well suited to people with high water needs. The monitor is yet another example of how Multipure tries to make customer options as flexible as possible with their water purification product line.

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