We have found the filters effectively stopping the heavy dark smoke from wildfires within hours of installation - they provide ...  Read More

We have found the filters effectively stopping the heavy dark smoke from wildfires within hours of installation - they provide consistent, substantial relief from pollution and dust.  Read Less

Without peer these air filters provide superior filtration for our air conditioning.

Without peer these air filters provide superior filtration for our air conditioning.  Read Less

It is generally advised not to buy filters above merv 13 ratings, because a higher rating can obstruct air flow to the unit, an...  Read More

It is generally advised not to buy filters above merv 13 ratings, because a higher rating can obstruct air flow to the unit, and cause the unit to have to work harder.  Read Less

Our desert recently had several weeks of heavy, irritating smoke and pollution from california and colorado fires.

Our desert recently had several weeks of heavy, irritating smoke and pollution from california and colorado fires.  Read Less

Pricey, but they do exactly what they are intended for.

Pricey, but they do exactly what they are intended for.  Read Less

The only issue for this filter , is that it is too expensive for regular use!

The only issue for this filter , is that it is too expensive for regular use!  Read Less

The product was perfect and arrived a day early.

The product was perfect and arrived a day early.  Read Less

Obviously, changing filters regularly is key, regardless of what brand you purchase.

Obviously, changing filters regularly is key, regardless of what brand you purchase.  Read Less

Unlike other brands filtrete gives you the pressure drop date at different flow rates.

Unlike other brands filtrete gives you the pressure drop date at different flow rates.  Read Less