Membrane Solutions Genuine MSA3 Replacement Filter, Technology 3-in-1 HEPA Filter for MSA3S MSA3W Air Purifier, Pack of 1

This filter lasted about 10 months.. which was great... This is a great filter it definitely catches alot of dust %26 pet dander... its a very thick filter, i believe it has 3 layers.. highly recommend.. i bought a set of 2 so it should last me close to 2 years, depending on how much you use your air purifier... best investment i ever made.. air purifier is great too..quiet %26 tells you when to change filters...

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I liked that it was in stock and shipped fast

It's amazing what this machine and filters collect! Great product.

Walmart has been phenomenal servicing my needs to return the merchandise so far. they took responsibility for the mix up, and have refunded my money. I ordered 1 filter but received 24. Hope it all finishes smoothly . I'm am retired on s.s. on a. very limited amount of money each month. The total of the order was $ 470. The order I placed was $ 29. I am still waiting to be able to pay the rest of my bills avn

Looking for a cheaper alternative

Filter Cartridge is poor quality and expensive. A strategy to require replacement more often. Price is way too much for such a poor quality filter.

Damaged in shipping need replaced air filters, wet and damaged

NEVER trust this product to work EACH TIME you order replacements! As I've bought before this SAME product, with SAME part number, the SAME size, exactly everything the SAME as the others I've bought on here from the SAME seller. Not as good at filtering as some I've used just average, but I'd already bought the Air Purifier. Though this last time only this over-priced 4-pack was available, that ended up NOT working! With the seller refusing to ever reply after too many attempts to contact them. And all Walmart did was just REPEATEDLY keep telling us that they'd get back in 48 hours in our email on the refund, which NEVER happened! No matter how many times we contacted them. Therefore, NEVER ever pay for four of these replacement filters much less even one, as you can NOT trust each filter will work! PLUS you'll be paying a lot of money for what? Nothing! So you bet I do not recommend this product.

Ordered a 4 pack which these expensive filters did not work as the previous ones did and both the company nor Walmart would give a refund therefore since you can not trust this company nor Walmart to refund these air purifier filters when they do not work I recommend you purchase another brand from a different store