Filter-Monster Branded Medical Grade True HEPA Replacement Compatible with IQAir GC HyperHEPA Pre-Filter H11

Shipped timely as advertised.

Fit the IQ Air

We love our IQAir purifier, but the OEM filters are very expensive. We started using Filter Monster consumables about a year ago, and there has been no perceivable difference in air quality compared to the more expensive OEM filters. I also have a Dylos particle counter, and the readings are within the same range as they were when we were using the OEM filters. Filter Monster gets five stars for great filters at a fair price.

This HEPA filter is very much like the 'original' OEM version IQ Air used up until about 6 years ago.Good fit and good performance.What did IQ Air change 6 years ago? There was a 'smell/odor' from the glue they used making their HEPA filters so they started using glue that had no smell.Some of these filters from Filter Monster appear to be using the old style glue and I have to assume that is where the smell is coming from (according to a few other reviewers). It's not offensive but it is there. Usually goes away within a few days.I think they (Filter Monster) have also started using a different glue as my filter has no smell at all.Performance wise, these filters work just like the real thing - at a much better price. That's a win.Good deal on this filter and I can easily recommend it.

This filter is an identical replacement to the IQAir one aside from the branding.It's already doing a good job at trapping contaminants before going through the rest of the filtration process like our pets hair along with other random dust.I feel this will perform equally as well throughout its life as the IQ filters have.

It didn't seat completely flat in the housing like the OEM does. I couldn't hear an air leak, and it looked like it probably still had a good seal. Nevertheless, I cut some styrofoam to get a better fit. I just got one each for HealthPro Plus and GC Multigas, and it's the same issue for both respective parts (two separate parts, first/bottom filter). It annoyed me just enough that I might pay the extra for OEM next time.Weight and look is good; seems like similar to OEM quality at least at a glance. Filtration is great per a Dylos laser air quality monitor with all non-OEM filters. Is it exactly as good as OEM? I don't know without doing extensive testing, but it's great filtration.

Gits great, works just as well as OEM.

I was dissatisfied with my purchase and sought to return it for a refund, but despite the fact that this item was supposedly eligible for free returns, I was unable to obtain a postage paid return address label from either Filter Monster or from Amazon, and I was forced to pay $42.45 in return postage fees. Needless to say, I will not be making any future purchases from Filter Monster.