Firmly flabbergasted that this fabulous furnace filter functioned flawlessly to furiously filter fungal filaments faster

Firmly flabbergasted that this fabulous furnace filter functioned flawlessly to furiously filter fungal filaments faster  Read Less

I have 4 pet birds and these filters sucked so much feather dander out of the air; my lungs are very appreciative!

I have 4 pet birds and these filters sucked so much feather dander out of the air; my lungs are very appreciative!  Read Less

I change filters every 30 days because of the cigarette smoke, so no comment on their lasting power.

I change filters every 30 days because of the cigarette smoke, so no comment on their lasting power.  Read Less

Air goes through them and is filtered<g>

Air goes through them and is filtered<g>  Read Less

00 per filter which is just as good or better than store prices.

00 per filter which is just as good or better than store prices.  Read Less

Very pleased with this product and for price it is better value that the best filters in big box stores

Very pleased with this product and for price it is better value that the best filters in big box stores  Read Less

The price was a little over $11.

The price was a little over $11.  Read Less

I just hope the price stabilizes because truthfully.

I just hope the price stabilizes because truthfully.  Read Less

They ship quickly and you get exactly what you are supposed to get.

They ship quickly and you get exactly what you are supposed to get.  Read Less

Shipping was very fast which is much appreciated.

Shipping was very fast which is much appreciated.  Read Less

We purchased these in order to make a homemade air purifier using a box fan (you can find tutorials on google pretty easily).

We purchased these in order to make a homemade air purifier using a box fan (you can find tutorials on google pretty easily).  Read Less

Now my first impression of these filters when i opened the box to install a filter was that these filters have some very good q...  Read More

Now my first impression of these filters when i opened the box to install a filter was that these filters have some very good quality to them.  Read Less

Box is marked but contents are not.

Box is marked but contents are not.  Read Less

We bought a lasko box fan, and attached one filter to each side of the fan.

We bought a lasko box fan, and attached one filter to each side of the fan.  Read Less

Six months' worth of testing these filters in a 1700 square feet house using a forced air conditioning system - these filters p...  Read More

Six months' worth of testing these filters in a 1700 square feet house using a forced air conditioning system - these filters performed far better than any of the filters i tried from the competitors.  Read Less

They are more sturdy than other brands i have used including the high dollar 3m filters.

They are more sturdy than other brands i have used including the high dollar 3m filters.  Read Less

They're a better price than the filtrete brand and they work and fit just as well.

They're a better price than the filtrete brand and they work and fit just as well.  Read Less