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🚿 Elevate your shower game—because your skin and hair deserve the VIP treatment!
The Aquasana AQ-4100 Shower Filter is a dermatologist-recommended, NSF-certified filtration system that reduces over 90% of chlorine and other harmful chemicals for up to 6 months or 10,000 gallons. Featuring activated carbon and patented copper-zinc media, it delivers high-pressure water flow (2.5 gpm) while promoting softer skin, healthier hair, and easier breathing. Easy to install and eco-friendly, it transforms your daily shower into a rejuvenating self-care ritual.





| ASIN | B0016BS9T6 |
| Best Sellers Rank | #4,913 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #28 in Showerhead Filters |
| Brand | Aquasana |
| Brand Name | Aquasana |
| Capacity | 10000 gallons |
| Customer Reviews | 4.3 out of 5 stars 3,229 Reviews |
| Filter Life Cycle | 6 months |
| Global Trade Identification Number | 00890496000086 |
| Included Components | shower filter |
| Installation Type | Quickly attaches to existing shower pipe |
| Item Dimensions L x W x H | 7.25"L x 3.2"W x 8.5"H |
| Item Type Name | NSF Certified Carbon & KDF Filtration Media - PH Enhancement - 6 Month, 10,000 Gallons - AQ-4100 |
| Item Weight | 2.3 pounds |
| LowerTemperature Range | 40 °F |
| Manufacturer | Aquasana |
| Material | Metal, Plastic |
| Material Type | Metal, Plastic |
| Maximum Flow Rate | 2.5 gpm |
| Model Name | AQ-4100 |
| Model Number | AQ-4100 |
| Operating Pressure Range | 30-80 psi |
| Other Special Features of the Product | Reduces 90% of chlorine for softer skin & hair |
| Part Number | AQ-4100 |
| Power Source | Water Pressure |
| Product Dimensions | 7.25"L x 3.2"W x 8.5"H |
| Purification Method | Activated Carbon |
| Special Feature | Reduces 90% of chlorine for softer skin & hair |
| Supported Water TDS Level Maximum (PPM) | 1500 |
| UPC | 890496000086 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 115 °F |
| Warranty Description | One-Year Limited Warranty |
T**E
Works Great & MADE IN THE USA
The scientific consensus is clear, hard water is not good for you. This Aquasana filter is good for you! That said, this filter does NOT spout water as pure as the day the Earth first formed. What it does is remove the vast majority (Aquasana cites 90%) of chlorine and other compounds you would rather not have on your skin or hair. You can truly feel the difference. I am positive there are other filtration systems that will remove more, but I also imagine for the vast majority of us this is exactly what we need. The Good: +Works very well. +Price-point is good. +Does NOT leak so long as it's installed properly (just needs to be tightened). +MADE IN THE USA The Okay: =Filter does not last 6-months. Closer to 4-months if about 2 people are using it daily. This is a wonderful little filtration system that is affordable and works well. If you have sensitive skin you absolutely should invest in this. Even if you do not have particularly sensitive skin, this really helps keep your skin and hair clean from chemicals. With regards to leaking, there really is no problem -- just like all shower heads it needs to be properly inserted and tightened -- all straightforward. The filter does need to be replaced about every 4 months rather than 6, but the benefits are absolutely worth it. Bottom Line: if you want a better and more pleasant shower experience then this investment is 100% worth it.
A**V
HONEST REVIEW
UPDATE** Ok so its been HARDLY 2 months and my hair came back to being super dry and tangled like a whole big dreadlock, the filter lost ALL its properties in less than 2 months!! And my household is JUST MY HUSBAND AND ME, and we only take 5 minutes to shower! So what about bigger households with kids or more than 2 people?? I went back to spending 30 minuts or more detangling and my hair started to fall off again like crazy, I can see the efect on the filter is gone so I am sad it doesnt last what it promises it's supposed to last which is 6 months! So are we supposed to buy this every 2 months? If it was cheaper I would think about it but it is NOT. So sad because I really loved it and took the time to write the most large review I have written in my whole life. *** I just bought my 3rd replacement for this filter and I can say with all honesty all of them (the same replacement, this is the 3rd one already) lasted hardly 2 months, in less than two months my hair comes back to dreadlocks and breaks with white spots on the ends. Very sad it’s SO expensive for less than 2 months while being advertised as 6 months! The product does work the first 2 months as My hair immediately looks softer, detangled and the shedding stops a lot but after 2 months I can feel the hard water again and I don’t have a particularly hard water just the regular one in Chicago. And I repeat: it’s just me and my husband taking showers of 5 minutes each! If we had a bigger family or took longer showers we would be basically had filter for only 1 month. Very disappointed on the product they should make it WAY MORE AFFORDABLE SINCE IT DOESNT LAST EVEN HALF OF THE TIME FRAME THEY SAY. _____________________ OK so I have been waiting since I bought this filter to write my honest review and I want to be VERY HONEST AND SPECIFIC/DETAILED ABOUT IT: • I come from a city outside USA where we had nearly the best tap water there is, in my native country we have very large hair and until then I have never heard about hard water nor had any issue with it drying my skin and hair. • So that being said, since I moved to USA my hair (naturally very abundant and voluminous) started to fall off on bunches!! it was SCARY and within months I had 8x times less than what I had before, I tried every treatment, oils etc etc thinking that maybe I hadn't had the nutrients I needed on my scalp, but it never stoped and got worst, for the first time I had DANDRUFF in a very thick layer AND THE WORST started to happen, my hair started to TANGLE together in a big ball of dreadlocks like a rastafarian, it was sooo dry and it didnt matter how much conditioner, treatments I put on it, or how much I combed it, when I did it just broke off and on the next day it would be all tangled again. • SO THEN I started reading it was maybe because of the water, I realized it had never happened to me before and it maybe had something to do with it, so I bought TWO different filters from other brands and the 5 first showers I noticed a slight improvement but after that, my hair got worst like I was putting new harmful chemicals in addition on the ones that my hard water already had! Those two filters I bought on amazon, the first one was by a brand cold MXBOLD and the other one was AQUABLISS, I am not going to say those are bad, but they definatelly didnt work for me and my specific hard water, the Aquabliss was the one that got my problem worst and I was afraid I was going to get bold on that rithm of sheding, I even saw some white hard residues starting to form over the shower head that later I read it was because of the calcium/hard water plus the filter elements they put inside and I tought this might be forming on my head as well. • So then, I decided to buy this AQUASANA filter which I was doubting so much because of the price, but I am here to say that it was my best decision ever, from the very first shower my hair stoped shedding as it was doing before, like I used to shed more than 200 hairs on each shower and bunch of them each day, but with this filter it stopped! My scalp doesnt itch as much and MY HAIR STOPPED TANGLING LIKE RASTAS! That one for me was the most clear signal that the filter was working, my hair still tangles more than it does on my native country which has the best water but hey, at least it looks way more healthy and shiny that it has been since I came to USA, now people compliments me on my hair (something that didnt happen before) and I do feel better about it now for alllll the reasons I have wrote here. So if you are a woman or a man that like me is looking desperately for a GOOD filter that actually works because of your hair shedding to an extreme, I suggest trying this one (also taking biotin pills and taking a look at some vitamins you might be lacking, like iron for example: lack of iron makes the hair fall)
M**K
Great Filter Well Water
We live in a rental home on a well. I'm not sure what awful things are in our water, but it tasted and smells horrible. After showering my skin would itch and have a slight burning sensation. I bought a Brita pitcher for drinking water and started looking for a filter for the shower. I read many reviews on various sites and decided on the Aquasana filter. We have had it installed a little more than a month now and I am 100% pleased with this product. The minute the water flow is changed from the bath faucet to the shower head, the smell is gone. The water feels wonderful on my skin and my teenage son is back to taking long showers. No more itchy or painful skin. Our problem isn't chlorine as it doesn't come from a city system; I'm not sure what it is but the Aquasana is filtering it out. I want to also mention the shower head. It isn't anything especially fancy, but it is adjustable and the spray has a nice feel to it. I was worried that we might not receive good pressure since the water is going through a filter and then through a small head, but that isn't the case. It gives good pressure and I don't feel that I am getting cheated on the amount of water that hits me in the shower. I purchased my unit here on Amazon and got a great price along with free shipping on my Amazon Prime. I am extremely happy with my purchase in every way and highly recommend the Aquasana if you want great results in a shower filter.
K**H
Night and Day!
If you do a little research, you'll know that the water that is pumped into most homes is filled with all sorts of chemicals. Sure, the chemicals won't harm you outright, but they can still irritate your skin, and contribute to flare ups of various kinds of skin conditions such as dry skin, eczema, etc. I personally have very sensitive skin and suffer from dry skin. Ever since I moved 4 years ago to my new house, my skin has steadily gotten worse in terms of dryness and over all health. After doing a little research, I decided to get the Aquasana AQ-4100 water filter for my shower. From the very first day I used it, I could tell that there was a difference. Before, my skin would literally feel "on fire" after getting out of the shower. I thought back then that it was because of the soap I used. But after using this shower filter, I realize now it was the water! The difference is like night and day. No more does my skin feel irritated. No more does my wife say that my hair feels dry. No more does my skin feel like its burning! If you are experiencing dry, itchy skin - you might be suffering from the water that's coming out of your shower. The Aquasana AQ-4100 does an excellent job and will most likely help your skin feel a lot better. It won't solve all your skin problems, but it will at least minimize irritation caused by the shower. Installation was surprisingly easy for me. First, I bought some teflon tape (found in any hardware store, or even the hardware section at your local supermarket - about 2-3 US dollars). I wrapped the threaded part of my shower pipe with this (the part where you screw-in the shower filter). This ensured a completely seamless fit when I screwed-on the shower filter. Once I tightened the filter with a wrench, it was ready to go. That was it - very simple. There was no leaks, it runs perfectly, and the installation took about 10 minutes (most of it was spent reading the short manual). I admit, this device isn't cheap. In fact, it's one of the more expensive shower filters out there. But, it is a very good product and got excellent reviews from numerous sources. I didn't want to spend less money only to have the product that I may have purchased break on me (cheaper filters are said to have broken after a few months of use.)
A**O
Finally, no more itchy, dry skin!
"I’ve been using this shower filter for about two weeks, and the difference is night and day. My skin no longer feels tight and itchy after showering, and my hair actually feels softer and easier to manage. I also noticed that the harsh smell of chlorine is completely gone. Installation was a breeze—it took me less than five minutes to attach it to my showerhead. Highly recommended if you have hard water!"
C**G
Makes me cleaner, not softer
This filter is okay. I have a serious hard water problem that has been drying out my scalp, and I live in an apartment complex so I can't do a water softener. I did some research and came across this filter. The price was okay compared to others, and the reviews were all over the place so I wasn't sure what to expect. I saw that some people had some difficulty installing and leaking issues...but I didn't have any of it. I was worried about installation because I don't have a lot of tools, but it was easy-breezy! Very quick as well. I turned it on, and be aware of the black that comes out of the showerhead first, and there was not any leakage! The three stars come from the fact that while it was easy to install I didn't really feel much of a difference. My skin and scalp were still pretty dry, I did not do a ph test on it to see how that was effected. I wish it would have made my skin soft and luscious, but alas it did not. However, I did feel 'cleaner' if that helps anyone. I felt like my water with the filter was making my skin actually wet and allowing the soap to lather and make me smell nice. So, I am still dry but I am also cleaner. The three stars also comes from the fact that the filter replacement is practically the same amount as the original product. If you're replacing the filter, you might as well just buy a whole new product.
M**E
It's a good filter and shower head
Vastly improves the quality of my shower water. Lasts about 6 months or so (two adults) before the filter needs replacing. For some reason it is always cheaper to buy a new one entirely rather than just the filter.
A**R
Leaky
Got a bad one first try, replacing will try again. Leaks can not tighten.
L**B
Has done the job
Got for my daughter who developed skin rash from hard water in her new flat . fitted this unit and rash has cleared up completely.
A**A
لابأس فيه
ينفع لتنقيه الماء من الاوساخ والصدى لكن الأملاح لازالت نفس النسبه لأني قست نسبتها بالجهاز قبل التركيب وبعد تركيب الفلتر وللأسف طلعت نفس الرقم
A**E
Buen filtro
Muy buen filtro y se nota en pocos días en el cabello por qué se siente para decirlo de alguna manera más limpio o hidratado. El tema aquí es que si vives en lugares como Puebla donde el agua es muy dura, osea tiene mucho sarro termina sucediendo que se tapa internamente el repuesto del filtro y comienza a salir menos agua. Tuve que poner un filtro adicional de sarro y un suavizador de aguas también para poder tener mejor calidad de agua y dónde siente un gran cambio y la experiencia es bastante buena.
M**O
منتج جبار
حبيت المنتج يفوز لكن اول ماتركبها احسب ٦ شهور قدام لأن الفلتر ضروري تغيره كل ٦ شهور ومكتوب في التعليمات .
B**N
Satisfied shower user.
Easy to install and appears to function as advertised. Noticeable difference in water quality and softness. Will likely buy one for each of the three showers in our home.
Trustpilot
3 weeks ago
2 weeks ago