Multipure Aquaversa MP750SB Carbon Block Under-Sink Water Filter Save 4% Off

• # NSF/ANSI certified to standard 42 and 53 and certified by the state of California.
• Easy to install and convenient to use
• Filters your water for approximately (1 Year) 750 gallons
• Enjoy healthier, better tasting water at a fraction of the cost of bottled water

After intensive research, I bought this under the sink water filter to reduce herbicides, and industrial solvents from getting into my body through our water.

However, several agricultural states including State of California

State of Iowa, State of Wisconsin, and State of Massachusetts have certified this water filter to do what the Multi-Pure says it will do --reduce a amount of specific herbicides, industrial chemicals and volatile organic compounds, and certain metals in our tapped water whether it comes from a municipal water treatment system or a private well. It doesn''t mean that all the contaminants that the filter will reduce are in our water, but if we have them in our water, they will be reduced up to 99% or whatever Multi-Pure says they will be reduced. Some water filter companies are not as truthful about their products, so I wanted one certified by NSF (National Sanitation Foundation) to do what it says it will do. I contacted NSF and contacted Multi-Pure until satisfaction on my part was achieved. Then, I made the purchase.

The water is delicious, and recommendations of others have born true as long as the filters are changed regularly once a year or after 750 gallons.

No water filter, contrary to the propaganda in the marketplace, will remove all contaminants, there are not regulations or standards on all contaminants, but Multi-Pure does a good job reducing those it claims.

I wish we could reduce the risk of cancer and other health damage from herbicide drinking agriculture, since our government is protecting the agrochem industry rather than public health.

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After living on a Western Washington farm with a 300'' deep well, then the outer reaches of Pacific Northwest coast, with a five home, community well, I and my family were accustomed to the taste of pure, untreated water. Visitors often commented they liked the water, even after we began to take it for granted.

After moving to Tumwater and Olympia, Washington, with their chemically treated water, we missed our well water and began searching for a means of plentiful, quality water.

Initially, I purchased simple filters that screwed onto the tap. They helped, but just didn''t quite produce the quality we were looking for. Too, they were clumsy to use. We progressed to little more expensive counter-top units. Again, an improvement, but not the end solution.

I began more serious searches and, after hours of on-line research, I selected the MULTI-PURE under-counter water filter. It required a hole in the sink to install the on-demand faucet. Initially, I drilled one, but since have used the spray nozzle hole in rentals. From day we installed it, it was a hit. Now, regardless of where I live, the filter system goes with us.

It costs about sixty a year, but that seems little for water I know is 99% pure and that is far and away more convenient than bottled water.

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Have you ever drunk water that smelled like it came directly from the swimming pool? We have. My wife couldn''t stomach it and would get her water from the refrig (which runs thru a basic refrigerator filter). I would just hold my breath and swallow the county''s heavily chlorinated tap water (we live in the Tampa Bay area of Florida)...horrible, horrible, smell and taste. I can certainly empathize with the locals that buy bottled water but I can''t appreciated the waste impact on the environment, so I chose the Multipure MP750SB over plastic landfills (first read about the MP750SB in Consumer Reports magazine). I installed the unit on March 30th and immediately the chlorine smell was gone and the water taste was palatable. The MP750SB definitely works as advertised and for that reason is worth every penny (we are big water drinkers). I do have two cautionary comments about the unit for you info: One The bottom of the filter housing is rounded. According to the company, they no longer make the flat bottom housing. So you''ll need to prop-up/balance the unit in a cabinet corner (like I did) or install the mounting hook to the cabinet wall and hang the unit from it. My under-sink cabinet rear wall is about two grades above cardboard (in quality). In my opinion the wall will not sustain the mounting hook screws, especially when the heavy water filled MP750SB is attached. In lieu of improvising a secure wall mounting place for the unit, I chose the lazy way out...balance it in the back corner. It''s been working fine so far. Two The installation manual that came with my unit was for the previous model (flat bottom), that apparently had different parts unattached. In this updated model, parts referenced in the manual have now been permanently attached to the filter housing. So if you think a part is missing, just check the unit housing...it may already be attached. These two observations are in NO way a show stopper. Based on the performance of this unit to date, I highly recommend it for improving the taste quality of public utility drinking water.

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I bought the unit installed under the sink with a dispenser valve mounted on the sink MP750SB.

First the good news. The stainless steel canister and filter element seem top notch and designed to last "forever." The sink mounted valve and nozzle also look pretty well built, if just a bit more floppy then I like.

Now the bad news. The hardware and plumbing fittings were defective. First the brass and plastic wing nut that screws onto the threaded brass tube that holds the sink mounted faucet in place was not completely threaded. So, when I went to assemble it, laying very uncomfortably on my back under the sink, it went half on and then locked up! When I tried to remove it, the threaded tube in the faucet assembly then unscrewed! After some struggling I finally got the things apart. Then I re-threaded the brass insert in the plastic wing nut (using a tap size most folks do not have in their home tool kit) and was finally able to mount the valve onto the sink. What should have taken 5 minutes after the hole was drilled, took an hour or so.

More bad news followed. The tubing connectors that screw into the top of the filter were also defective, but not so you would notice at first. The Teflon tape covered up a molded-in step in the threads (part line because of misaligned mold in manufacturing), leaving a small slot across all the threads. That meant one of the fittings leaked when pressure was applied. No amount of tightening would stop the leak. So, stop the installation for the evening, and go out and buy new fittings the next day. (Home Depot: Watts Quick-Connect PL-3004 Adapter 1/4" OD x 1/8" MIP or 8 mm x 3 mm) or (Grainger part number 4HN10 or John Guest part number PI010821S 1/4" x 1/8 nptf). To be fair to the filter manufacturer, Multipure International, these failed connectors were labelled as John Guest parts, and the defects were in their manufacturing. On the other hand, Multipure could make a better effort to quality check the parts it is being sold, especially given its reputation depends on a leak free easy installation.

I called Multipure and told them about the bad parts. To their credit they immediately sent replacements, but by normal mail that took several days. So I fixed and bought replacement parts on my own to get the job done.

A few other notes. It is pretty awkward to clip the filter canister onto the mounting clip, at least up high under the sink, out of the way. Also, the tubing fittings make me nervous. I suggest being very careful to make sure nothing stored under the sink snags the tubes and puts side pressure on these fittings. The instructions suggest changing these fittings on the filter (and the shut off valve?) when you change the filter once a year, again not the sort of instruction that build confidence in a leak free installation. The Adapta Valve assembly used to tap into the cold water supply at the stop valve went on easily and is leak free. However, I would strongly suggest also replacing the faucet connector hose (riser) when reattaching the sink faucet cold water valve. The rubber seal in this line doesn''t seal well when reused, especially if the surface it is seating against in a different shape, as it is in the Adapta Valve assembly. Simply said, the joint between the Adapta Valve and the faucet connector hose (riser) also leaked until I used a new line.

Final results, the water quality is great. It is a shame that Multipure let some bad parts get in the way of a good product.

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Pros: Best mechanical/chemical filtering I found for anywhere near the price according to Consumer Reports and the NSF/ANSI websites, as well as those of many competitors''.

Cons: A little pricy. Does not deliver rated flow rate. High maintenance. Dumps a half gallon of water on the floor to change the filter. Does not filter Chrome-6

Delivers approximately .4 gpm at a measured supply pressure of 53 psig. Advertised to deliver .75 gpm @ 60 psig.

The clam shell canister has to be taken apart to change the filter an annual event for most users. The thing holds over a half gallon of water! That''s a tad more than most towels will absorb!

Not a low maintenance device. Instructions come with a list of fittings and seals they recommend you change "every couple of years".

Hexavalent Chrome (Chrome-6) is a problem in some areas near us. However, I''ve only found one system that filters it out, a pour-through pitcher type.

I opted for an under the counter carbon block system for convenience and effectiveness, and the fact I''d just learned my Brita pitcher system only made the water taste better and didn''t even filter out lead. I decided to avoid Reverse Osmosis (RO) systems because they waste three to four times as much water back-flushing the membrane as they produce. They also filter out minerals that are good for you leaving the water tasting flat. I avoided distillation systems as they use too much energy and also leave the water tasting flat. I''m going into my third day still chasing leaks. That''s not the product''s fault but comes with the territory every time I stick my fat fingers under a sink! Plumbing is as much an art as it is a science I''ve determined.