Filtrete 14x30x1 Air Filter, MPR 1900, MERV 13, Healthy Living Ultimate Allergen 3-Month Pleated 1-Inch Air Filters, 2 Filters

I've been using Filtrete air filters in my A/C since my house was built. First I started with the red filters (1000), but upgraded to the purple (1500) ones and now the blue (1900) version. The 1500 and 1900 versions have much more filter surface area to catch particles than the 1000 version so I use only those now. But frankly, I can't say whether the blue 1900 version is any better than the purple 1500 filter. I think it's more important to make sure you don't let your filters go too long between changes. My neighbor only changes his when they start looking like a fur coat. That's way too long and will overtax your HVAC. He's already had to replace his central A/C after only twelve years. Tip: write the date you installed the new filter all along its frame. That way you can see the date just by looking up at the air return without having to get a ladder and opening it up. [This review was collected as part of a promotion.]

The 1900 is excellent for removing dust and recommend it for open plan homes where cooking odors easily navigate into other living areas. I also noticed a dramatic difference in the frequency I needed to dust. However, I would not recommend this high quality filter to those who are not diligent in changing their home filter on schedule. This filter must be changed on schedule in order for the ac system to work effectively but it is well worth the investment. I also noticed that my electric bill decreased. Although I cannot make a direct link to the Filtrete 1900, I do think that it does help the system operate more efficiently.