I have been using these filters for a while now and I am happy with their performance. However, when I received my last order, there was no product information on the box or packaging. With my previous orders, a product information leaflet was included with each filter. The seller should reconsider their packaging as this is a premium product. I probably won't order this brand again for this reason as I want to be sure of what I'm getting when I'm paying that much for air conditioner filters.
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