We start by building you a permanent custom sized frame of sturdy aluminum and a permanently attached electrostatic charged screen. They won't bend, melt or warp like plastic or cardboard furnace filters.
Odd size furnace filter? We hand make every furnace filter frame to your exact size, so you'll always have a filter that fits perfectly!
It's the last furnace filter you will ever purchase. All furnace filter frames are backed by a lifetime warranty!
of least resistance.
To insure that all the air and
pollutants go through the furnace filter and not around it, our
filters feature our patented anti-bypass seal. When your air
conditioner or furnace turns on, the difference in pressure
causes an air tight seal. No bypass means your filtering 100 %
of the air.
choose from many types of air filtration refills for your new
furnace filter. You can use our popular BioSponge, BioSponge plus®,
or our ultra-efficient MicroSponge®
All offer outstanding protection from airborne contaminants.
Select the refills that fits your needs. You can also
choose to add an activated carbon or zeolite refill,
if you wish to control odors and V.O.C.'s.
Replaceable furnace filter refills assure a new, fresh furnace
filter every time. No more guessing if your furnace filter
is really clean and healthy.
Furnace Filter Smoke Test
You'll never have to wait in
store lines for your furnace filters again!
No more aggravating trips to the store to try and match
sizes, and winding
up with an ineffective furnace filter. Simply contact
your local Air Spong dealer, and we'll rush your furnace, AC filters right to your
Initial package includes a permanent frame, and a one years supply of refills.