I am extremely satisfied with their product

I am extremely satisfied with their product  Read Less

Same quality as the factory replacement prefilter

Same quality as the factory replacement prefilter  Read Less

But if you dont change the prefilter often you have extras

But if you dont change the prefilter often you have extras  Read Less

I received my crucial air air purifier carbon pre filter fits whirlpool models ap300 ap350 ap450 and ap510 compare to filter pa...  Read More

I received my crucial air air purifier carbon pre filter fits whirlpool models ap300 ap350 ap450 and ap510 compare to filter part 8171434k 8171434 designed and engineered by crucial airi via amazon prime two day shipping  Read Less

What this means is that when air is funneled through the vent and through the prefilter it should filter more spores dander dus...  Read More

What this means is that when air is funneled through the vent and through the prefilter it should filter more spores dander dust etc before filtering through the hepa filters  Read Less

And change the carbon prefilters every two months so i order replacement prefilters often

And change the carbon prefilters every two months so i order replacement prefilters often  Read Less

It would also fit smaller air filters such as a winix or germguardian

It would also fit smaller air filters such as a winix or germguardian  Read Less

Lets face it in this day in age offbrand products can be just as good as the branded products and this is one of those cases

Lets face it in this day in age offbrand products can be just as good as the branded products and this is one of those cases  Read Less