Genuine Winix 115115 Replacement Filter A for C535, 5300-2, P300, 5300, White/Black

Worth every penny. Room always smells fresh, filters are easy to install. You know when it needs replaced when it takes on a copper color. Bare in mind, these units work WELL meaning they do collect A LOT of pet fur and hair. Keep this in mind if you are a pet owner. If your pet sheds a lot, you will have to vacuum the front and back of the first filter daily. If you do this these HEPA filters will last much longer and the fan speed won't ramp up as often if in auto mode. The color light indicator is nice, but I trust visual inspection more than the sensor when it comes to knowing when to change the filter. Great filters, great device.

Great product. Works well! Fits perfectly

These work really well and last for the specified time. I would make absolutely positive you are only buying from the Winix page on Amazon itself to avoid drama. I have purchased the filters direct from Winix, but this is the same exact filters set that Winix sells in their set but it’s WAY less expensive. PS These sets come with enough filters for 2 years!

Great price and enjoying the Winix C909 (Costco) that these fit.

Better than knockoffs, I wish they sold multipacks for a better deal. Best performance I have found so far. I keep trying others but come back to this one. Not much else to say, OEM wins so far.

I own 3, yes 3 Winix air purifiers (Two 5300 and One 5300-2). I own the (2) 5300 air purifiers since 2015 and I run them 24/7. I own the 5300-2 air purifier since 2019. All three air purifiers use the same model filter (115115 or Filter A) so I only have to buy one type. I guess my house is dirty since I seem to have to replace the main filter every 10 months on all three units. Over the years I have purchase genuine Winix replacement filters and generic brand filters and from now on, I will be sticking to Winix replacement filters. The generic brand filters may or may not fit nice and snug inside the purifiers. I had some generic brand filters that left small gaps and dust was going around the filter. I had dust forming on the fan blades even when the replacement filter was snug. The air quality seems to vary as well. The genuine Winix replacement filters was a lot more consistent with fitment and air filtration. I just bought a new house and replaced all the filters with genuine Winix replacement filters for all three units. The fitment was perfect and the air quality coming out was nice clean air. So yes you can save money with going with generic brand filters but you don’t get the consistency with fitment and air filtration. Yes, the genuine Winix filters are expensive, trust me I don’t like the price either but you get what you paid for. For the record, over the years I’ve bought (6) genuine Winix filters and (6) generic brand filters.

replacement air filters. correct size and everything.

I have parrots who have sensitive respiratory systems and need clean air, plus I also have environmental allergies myself, so I run 4 Winix air cleaners in my house all the time - 2 upstairs in bedrooms and 2 downtairs in the living room and the dining room. Normally they run silently all day with a green light glowing but if there is any type of odor, the speed actually increases on the fan of the unit and the light glows red until the odor is eliminated the it goes back to green. I’ve been very happy with this system of ensuring the air inside my home stays clean and the filters are not expensive to keep up with regular changes. This is definitely worth the investment if you are concerned in any way about the air quality inside your home and want to be confident it is clean.

Going good

Cumple

Bought this for my Winix C535 and it fits perfect. I’ve been putting off buying this because of the price but I’m happy with my purchase. Comes with 1 HEPA filter and 4 carbon filters. Once a year purchase so the price seems reasonable.

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After I changed the filter, "Check the filter" keeps blinking on the unit