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Aquasana Shower Filter AQ-4100-E is a WaterSense certified, dermatologist-recommended system that reduces over 90% of chlorine and impurities using coconut shell carbon and patented copper-zinc media. Designed for easy DIY installation on standard ½” shower arms, it delivers up to 6 months or 10,000 gallons of purified water, improving hair texture, skin hydration, and overall shower quality. Trusted by leading health and beauty publications, this eco-friendly filter combines proven performance with cost-effective, sustainable self-care.





| ASIN | B09YMV84MD |
| Best Sellers Rank | #5,829 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #33 in Showerhead Filters |
| Brand | Aquasana |
| Date First Available | April 22, 2022 |
| EU Spare Part Availability Duration | 6 Months |
| Installation Type | Wall Mounted |
| Item Weight | 2.25 pounds |
| Item model number | AQ-4100-E |
| Manufacturer | Aquasana |
| Maximum Flow Rate | 1.75 Gallons Per Minute |
| Model Name | Aquasana Shower Water Filter System w/ Adjustable Shower Head - Filters Over 90% Of Chlorine - Carbon & KDF Filtration Media - Soften Skin and Hair from Hard Water - AQ-4100-E - WaterSense Certified |
| Package Information | Bottle |
| Power Source | Manual |
| Product Dimensions | 7.25"L x 3.2"W x 8.5"H |
| Special Feature | Independently tested to NSF/ANSI Standard 177 |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 816749016536 |
A**T
Excellent shower filter — noticeable difference!
The Aquasana AQ-4100 shower filter really improves water quality. My hair feels softer, and my skin is less dry after just a few uses. Easy to install, looks clean in white, and provides a refreshing shower experience. Totally worth it!
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.
S**P
Only buy one at a time
I've been using these filters for 15+ years, first when we lived with well water that had a great deal of iron and now on city water that is just very, very hard. Clearly, they work well or I wouldn't keep buying them. With the well, I changed them out every 6 months. Now on this hard city water, I need to change them out every 4 months. I believe it's because the water is so much harder than our well water was. When we moved to the city, w e took our filter and had an extra one, so they were the ones I usually bought, and they worked just like on the well water.. I mention this because if I hadn't had this experience if their lasting 6 months, I'd wonder about the quality of the product since they say they last 6 months. I would give 5 stars because this filter really works. My hair is a rat's nest on this hard city water, weighed down, looks greasy, gets smelly-dirty extremely fast, just gross. My skin is itchy...all that goes away with this filter. It's really a good product. However... I used to buy them in pairs, but the last purchase, the second one leaked. Read the one-star reviews, and I had a similar experience with filter #2, which I could not return because it was 4-5 months after my purchase. First the thing leaked and trickled water, then very soon began spurting water, and we went through that filter in a matter of a few months. Since then I only buy one at a time. I didn't contact cs for a replacement, so I don' know how that would have gone, but the 2025 1-star reviews don't look encouraging, so I continue to buy one at a time. Just in case. Beware! I never had this leaking happen 5, 10, 15 years ago...is this a new development in their quality, I've begun to wonder.
Q**S
A Shower Upgrade – Skin and Hair Feel Amazing!
I’m really impressed with the Aquasana Filtered Shower Head! The flow rate gives me great water pressure, and the up flow design makes sure the water flows smoothly without clogging. (I did have to put plumbers tape on where you attach it, as it leaks a tiny bit, but overall I really enjoy this and think it was a good purchase). What really stands out for me is how it’s helped with the itching I used to feel after showering with regular water. The carbon and copper-zinc says it filters out over 90% of chlorine, and I’ve noticed a big difference in my skin, and it’s much less dry and irritated. That's a huge win for me!! Showering with it is honestly a pleasure. My skin feels softer, and my hair doesn't feel like it has buildup on it anymore. The filter lasts up to 6 months or 10,000 gallons they say, and replacing it is super easy. Installation was easy, and it only took about 10 minutes minutes to set up. (that includes adding the extra plumbers tape too). Overall, I’m really happy with this. I've used it every day for 3 months, and it works good for me. If you’re looking for something to improve your skin and hair, this is definitely worth trying!
O**N
Water is lekker zacht (onthard) goed voor de huid. Douchekop houd wel een hoop druk tegen.
J**L
No. Love it.!! Works great.thx.
L**B
Got for my daughter who developed skin rash from hard water in her new flat . fitted this unit and rash has cleared up completely.
R**A
This saved my skin and hair, thank you! Such a rare gem!
B**A
I love this Shower! It has been doing amazing things for my sensitive skin. It removed pretty much completely the chlorine smell of the water (and I assume by that the chlorine was removed) and I can feel the difference in my skin and in my hair. My skin is not breaking out and dehydrated anymore and I feel my hair much more healthy now. The handheld is a bonus, but it could be more stable in the shower (when you touch the hose the shower head moves usually). Thinking about it now maybe I should have chosen the chrome one. Installation was super simple but I had to use a lot of thread seal (waterproof) tape to stop the leakages but that was enough to stop it.
Trustpilot
5 days ago
1 month ago