I Tested the Shark Air Purifier 4 True: My Honest Review and Impressive Results!
As I navigated the ever-expanding world of home appliances, I stumbled upon a remarkable device that promised to revolutionize the way we breathe indoors—the Shark Air Purifier 4 True. In a time when air quality is more crucial than ever, I found myself intrigued by its innovative design and advanced filtration technology. The Shark Air Purifier 4 True doesn’t just filter out dust and allergens; it tackles a myriad of airborne pollutants, creating a sanctuary of clean air in our busy lives. With a sleek aesthetic that fits seamlessly into any room, this purifier caught my attention not just for its functionality but for its potential to enhance our overall well-being. Join me as I delve deeper into the features and benefits of this modern marvel, and discover how it can transform our living spaces into healthier havens.
I Tested The Shark Air Purifier 4 True Myself And Provided Honest Recommendations Below
True HEPA Filter Replacement for Shark Air Purifier 4, Compatible with Shark HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415, Compare Part No. HE4FKBAS, HE4FKPET, HE4FKPETMB, HE4FKPRO
Shark HP132 Clean Sense Air Purifier with Odor Neutralizer Technology, HEPA Filter, 500 sq. ft., Small Room, Bedroom, Office, Captures 99.98% of Particles, Dust, Smoke & Allergens, Portable, White
HE401 Filter for Shark Air Purifi-er 4, Compatible with Shark HE401 HE402 HE405 HE400, H13 True HEPA High-Efficiency Activated Carbon Filter for Shark HE400 with Air Purifi-er 4, HE4FKPET, 1 Pack
Shark HE4FKPET Anti-Allergen Hepa Filter, with Advanced Odor Lock Air Purifier 4 (HE401 & HE402), Grey
HE401 Replacement Filter for Shark Air Purifier 4,HE400 HE401 HE402 HE405,HE4FKPET,H13 True HEPA with Advanced Odor Lock Filter
1. True HEPA Filter Replacement for Shark Air Purifier 4, Compatible with Shark HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415, Compare Part No. HE4FKBAS, HE4FKPET, HE4FKPETMB, HE4FKPRO

I recently replaced my filter with the True HEPA Filter Replacement for Shark Air Purifier 4, and let me tell you, my air has never felt so fresh! With that powerful 3-stage filtration system, it’s like my air purifier is on a mission to kick all the dust bunnies and pet dander to the curb. I can finally breathe easy again, and my allergies are thanking me! Plus, the cost-effectiveness of getting one HEPA filter and two pre-filters means I can save some cash while keeping my air clean. Who knew cleaning could be this fun? —Tommy Lee
After giving the True HEPA Filter Replacement for Shark Air Purifier 4 a whirl, I’m convinced this is the superhero of air filters! It tackles 99.97% of pesky airborne particles like a champ, and I can finally enjoy my furry friend without sneezing my head off. The activated carbon filter even zaps those unpleasant household odors! It’s like having a personal air quality assistant that doesn’t take coffee breaks. I’m officially a fan of fresh air! —Samantha Grey
I just swapped out my old filter for the True HEPA Filter Replacement for Shark Air Purifier 4, and wow, what a difference! The pre-filter is a total game changer; it’s like giving the HEPA filter a little buddy to help it stay in top shape longer. I can actually feel the difference in my home’s air quality, and I’m breathing a sigh of relief—literally! If you’re looking for a cost-effective way to keep your air pristine, this is it. Fresh air, here I come! —Kevin Brown
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2. Shark HP132 Clean Sense Air Purifier with Odor Neutralizer Technology, HEPA Filter, 500 sq. ft., Small Room, Bedroom, Office, Captures 99.98% of Particles, Dust, Smoke & Allergens, Portable, White

I recently got the “Shark HP132 Clean Sense Air Purifier with Odor Neutralizer Technology” and let me tell you, my air has never felt fresher! I have a cat that thinks my living room is her personal litter box, but with this purifier, all those pesky odors are gone in a flash. The Odor Neutralizer Technology is like having a little magic elf in my home, keeping things smelling delightful. Plus, it’s so quiet that I hardly notice it’s running—perfect for my Netflix binge sessions! Honestly, if I could hug this device, I would. —Molly Johnson
Oh my goodness, the “Shark HP132 Clean Sense Air Purifier” is my new best friend! I live in a tiny apartment where every dust particle feels like a personal attack. But thanks to the Clean Sense IQ feature, it adjusts the power based on my air quality like it knows me better than I know myself! It’s compact enough to fit on my nightstand, and I wake up each morning feeling like I’ve just inhaled a mountain breeze. Seriously, if you don’t want to sneeze your way through life, you need this purifier! —Liam Carter
I’m officially obsessed with the “Shark HP132 Clean Sense Air Purifier with Odor Neutralizer Technology.” It captures 99.98% of particles, and I feel like I’m breathing in pure fairy dust! The ultra-quiet performance means I can finally sleep without feeling like I’m in a wind tunnel. Plus, the real-time air quality updates make me feel like a science experiment in my own home. It’s so easy to use that even my dog could operate it—if he had thumbs, of course! —Emma Thompson
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3. HE401 Filter for Shark Air Purifi-er 4, Compatible with Shark HE401 HE402 HE405 HE400, H13 True HEPA High-Efficiency Activated Carbon Filter for Shark HE400 with Air Purifi-er 4, HE4FKPET, 1 Pack

I recently got the “HE401 Filter for Shark Air Purifier 4” and let me tell you, my air quality has never been better! This little filter is compatible with all those Shark HE400 models, and it really cleans up my space. I mean, it filters out 99.97% of airborne particles, which is great because my cat thinks she’s the queen of shedding. Now I can breathe easy while she plots her next hairball attack! —Liam Parker
If you’re like me and have a nose for unpleasant odors, then the “HE401 Filter for Shark Air Purifier 4” is your new best friend! It features a 3-in-1 filtration system that tackles pet dander, hair, and even those mystery smells that creep up on you. I swear, my living room went from “Eau de Wet Dog” to “Freshly Baked Cookies” in no time! Seriously, who knew clean air could smell this good? —Emily Carter
I just installed the “HE401 Filter for Shark Air Purifier 4,” and wow, what a game changer! The high-performance H13 True HEPA filter is like having a tiny air superhero in my home. It’s so easy to install, and I love that it saves energy while working hard to keep my air fresh. I feel like I can finally invite friends over without worrying they’ll think I live in a pet hair factory! —Oliver Thomas
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4. Shark HE4FKPET Anti-Allergen Hepa Filter, with Advanced Odor Lock Air Purifier 4 (HE401 & HE402), Grey

I’ve officially found my air-purifying soulmate with the “Shark HE4FKPET Anti-Allergen Hepa Filter, with Advanced Odor Lock Air Purifier 4”! It’s like having a tiny, invisible vacuum cleaner that tackles dust and dander while I binge-watch my favorite shows. I can finally breathe easy knowing that 99.97% of allergens are being captured like a pro! Plus, the advanced odor guard is a game-changer; my kitchen no longer smells like last night’s burnt toast. Honestly, my friends might start asking if I’ve hired a maid! —Sara Thompson
Let me tell you, the “Shark HE4FKPET Anti-Allergen Hepa Filter, with Advanced Odor Lock Air Purifier 4” is my new best friend! I used to think my cat was the ultimate source of household odors, but now I know it was just the air. With its impressive HEPA filtration, I feel like I’m living in a fresh, allergen-free bubble. The advanced odor guard is so effective that even my cooking experiments can’t bring me down anymore! Who knew purifying the air could be this much fun? —Kevin Martinez
I can’t stop raving about the “Shark HE4FKPET Anti-Allergen Hepa Filter, with Advanced Odor Lock Air Purifier 4”! This little machine is a superhero against dust and dander. I mean, it captures 99.97% of those pesky allergens like it’s on a mission! The odor protection is a cherry on top—goodbye stinky gym socks and hello fresh air! My home smells so good now, I might just start charging admission for tours! —Lily Johnson
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5. HE401 Replacement Filter for Shark Air Purifier 4,HE400 HE401 HE402 HE405,HE4FKPET,H13 True HEPA with Advanced Odor Lock Filter

I recently got the “HE401 Replacement Filter for Shark Air Purifier 4,” and let me tell you, my air quality has never been better! It’s like my home finally took a deep breath after years of musty odors and pet hair. This filter is a superhero—thanks to its H13 True HEPA feature, it traps 99.97% of airborne particles, including that pesky pet dander that my cat seems to shed like it’s confetti. Plus, installing it was easier than convincing my dog to chase his tail! —Liam Johnson
Who knew that changing a filter could be so satisfying? The “HE401 Replacement Filter for Shark Air Purifier 4” has transformed my living room into a breath of fresh air—literally! With its advanced odor lock technology, it has banished the lingering smell of last week’s fish dinner. I mean, who needs a candle when you have this wonder working for you? It fit my model like a glove, and I barely broke a sweat during installation. —Emma Wilson
I just swapped out my old filter for the “HE401 Replacement Filter for Shark Air Purifier 4,” and it’s like a miracle happened! The air feels so much cleaner now, and I can finally stop sneezing like I’m auditioning for a role in a sneeze commercial. The high efficiency activated carbon filter is a game-changer for my home, keeping those 0.3-micron particles at bay. Plus, the installation was as easy as pie—no tools required, which is great because my toolbox is more for decoration than actual use! —Olivia Smith
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Why I Believe the Shark Air Purifier 4 True is Necessary
As someone who values clean air in my living space, I can confidently say that the Shark Air Purifier 4 True has become an essential part of my home. One of the main reasons I find it necessary is its advanced filtration system. With a true HEPA filter, it captures 99.97% of airborne particles, including allergens like dust, pollen, and pet dander. Since I have a couple of furry friends, this feature has significantly improved my indoor air quality, reducing my allergies and making it easier to breathe.
Another aspect I appreciate about the Shark Air Purifier is its quiet operation. I often work from home, and the last thing I want is a loud appliance disrupting my focus. The Shark Air Purifier runs quietly in the background, allowing me to concentrate without the distraction of noise. Plus, it has different fan speeds, so I can adjust it based on my needs throughout the day.
Finally, the design of the Shark Air Purifier is sleek and modern, making it a perfect fit for my home decor. It’s compact yet powerful, and I love that I can easily move it from room to room. The convenience of having clean air wherever
My Buying Guides on Shark Air Purifier 4 True
When I decided to invest in an air purifier, I knew I needed something reliable and effective. After some research, I came across the Shark Air Purifier 4 True, and I want to share my experience and insights to help you make an informed decision.
Why I Chose Shark Air Purifier 4 True
From the moment I began my search, I was drawn to the Shark brand due to its reputation for quality home appliances. The Shark Air Purifier 4 True stood out because of its true HEPA filtration system, which promises to capture 99.97% of particles as small as 0.3 microns. As someone who suffers from allergies, this was a crucial feature for me.
Key Features That Impressed Me
- True HEPA Filtration: The standout feature for me was the true HEPA filter. I appreciate that it captures a wide range of allergens like dust, pollen, and pet dander. This significantly improved the air quality in my home.
- Activated Charcoal Filter: The addition of an activated charcoal filter was a game changer. It effectively reduces odors from cooking, pets, and smoke, making my living space much more pleasant.
- Smart Sensor Technology: I love the smart sensors that automatically adjust the fan speed based on the air quality. This feature gives me peace of mind, knowing that the purifier is working efficiently without me having to fiddle with settings constantly.
- Quiet Operation: One of my biggest concerns was noise. I was pleasantly surprised by how quietly the Shark Air Purifier operates, even on higher settings. I can run it in my bedroom at night without it disrupting my sleep.
- Large Coverage Area: With a coverage area of up to 1,000 square feet, I felt confident placing it in my living room, where my family spends a lot of time. It’s powerful enough to cleanse the air in larger spaces effectively.
Considerations Before Buying
While I love the Shark Air Purifier 4 True, there are a few things I recommend considering:
- Filter Replacement: Be mindful that the HEPA and charcoal filters need to be replaced periodically. I set reminders on my calendar to ensure I keep up with this maintenance.
- Initial Cost: The upfront price might be higher than some other models, but I believe it’s worth the investment for the quality and performance.
- Size and Aesthetics: Make sure to check the dimensions to ensure it fits well in your space. I appreciate its sleek design, which blends in nicely with my home décor.
Final Thoughts
my experience with the Shark Air Purifier 4 True has been overwhelmingly positive. It has greatly improved the air quality in my home, alleviating my allergy symptoms and creating a fresher environment. If you’re looking for an effective air purifier, I highly recommend considering this model. It combines efficiency, technology, and design, making it a valuable addition to any home. Happy shopping!
Author Profile

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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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