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HEPA Filters

HEPA Filter ~ Air Purifiers for Healthy Living

MAX Guard HEPA air purifier shown in a living room along side of its HEPA Filter

LakeAir HEPA air filters and HEPA air purifiers use the best HEPA filters. Our Commercial quality HEPA products are wholly made in the USA.  There is no off-gassing like foreign filters. These filters and filter products have long life and high value. Don’t try to clean your air with cheap filters. Use the best, use LakeAir because HEPA air filter size Matters.

Customers often search for both replacement filters and HEPA filter units using the same keyword. This product section contains only HEPA air purifiers. For replacement filters click the Button Below

Product Selection Filter

Showing all 10 results

Maxum HEPA Air

$850.00
  • 500 CFM
  • True HEPA 4.5 ~ 99.97% Efficient
  • 300 gram carbon / 0.75 inch filter
  • Best Table Top Smoke Removal
  • 17 x 13 x 13
  • 490 CADR
  • Table Top / Shelf / Floor

Maxum HEPA Air

  • 500 CFM
  • True HEPA 4.5 ~ 99.97% Efficient
  • 300 gram carbon / 0.75 inch filter
  • Best Table Top Smoke Removal
  • 17 x 13 x 13
  • 490 CADR
  • Table Top / Shelf / Floor
$850.00

LA2-RC2-HOC

$2,500.00
  • 900 CFM
  • True HEPA Filter 99.97% to 0.3 Micron
  • 2750 gram / 4.5 Carbon Filter
  • Great Particle and Odor Removal
  • Size ~ 22″ x 21″ x 19″
  • Ceiling Mount

LA2-RC2-HOC

  • 900 CFM
  • True HEPA Filter 99.97% to 0.3 Micron
  • 2750 gram / 4.5 Carbon Filter
  • Great Particle and Odor Removal
  • Size ~ 22″ x 21″ x 19″
  • Ceiling Mount
$2,500.00

LA2-RC1-HOC

$1,950.00
  • 500 CFM
  • True HEPA Filter 99.97% to 0.3 Micron
  • 2750 gram / 4.5 Carbon Filter
  • Great Particle and Odor Removal
  • Size ~ 22″ x 21″ x 19″
  • Ceiling Mount

LA2-RC1-HOC

  • 500 CFM
  • True HEPA Filter 99.97% to 0.3 Micron
  • 2750 gram / 4.5 Carbon Filter
  • Great Particle and Odor Removal
  • Size ~ 22″ x 21″ x 19″
  • Ceiling Mount
$1,950.00

LAFC-RC2-H

$2,500.00
  • 900 CFM
  • True HEPA Filter 99.97% to 0.3 Micron
  • 500 gram / 0.75 Carbon Filter
  • Exceptional Particle Removal
  • Size ~ 48″ x 24″ x 11″
  • Ceiling Mount

LAFC-RC2-H

  • 900 CFM
  • True HEPA Filter 99.97% to 0.3 Micron
  • 500 gram / 0.75 Carbon Filter
  • Exceptional Particle Removal
  • Size ~ 48″ x 24″ x 11″
  • Ceiling Mount
$2,500.00

MAX Guard HEPA

$2,500.00
  • 900 CFM
  • True HEPA 4.5 ~ 99.97% Efficient
  • 1000 gram carbon / 1.5 inch filter
  • Best Smoke Removal
  • 22 x 14 x 26
  • 890 CADR
  • Floor Unit on Casters

MAX Guard HEPA

  • 900 CFM
  • True HEPA 4.5 ~ 99.97% Efficient
  • 1000 gram carbon / 1.5 inch filter
  • Best Smoke Removal
  • 22 x 14 x 26
  • 890 CADR
  • Floor Unit on Casters

WM-RC2-HEPA

$2,500.00
  • 900 CFM
  • True HEPA 99.97% to 0.3 Micron
  • 1000 gram / 1.5 Carbon Filter
  • Best Filtration Available
  • Size ~ 32″ x 24″ x 11″
  • Flush Wall Mount

WM-RC2-HEPA

  • 900 CFM
  • True HEPA 99.97% to 0.3 Micron
  • 1000 gram / 1.5 Carbon Filter
  • Best Filtration Available
  • Size ~ 32″ x 24″ x 11″
  • Flush Wall Mount

CM2-RC2-HEPA

$1,850.00
  • 500 CFM
  • True HEPA ~ 99.97% Efficient
  • 900 gram carbon / 2.5 inch filter
  • Quiet Unit  /up to 500 sq. ft.
  • 24 x 24 x 13
  • 490  CADR
  • Ceiling Mount

CM2-RC2-HEPA

  • 500 CFM
  • True HEPA ~ 99.97% Efficient
  • 900 gram carbon / 2.5 inch filter
  • Quiet Unit  /up to 500 sq. ft.
  • 24 x 24 x 13
  • 490  CADR
  • Ceiling Mount

MAX-Guard-HEPA-420

$2,500.00
  • 900 CFM
  • True HEPA 2.5 ~ 99.97% Efficient
  • 2000 Gram / 3.0 Cannablend Filter
  • Best For Weed Smoke and Odor
  • Size 22″ x 14″ x 26″ (tall)
  • Floor Unit on Casters

MAX-Guard-HEPA-420

  • 900 CFM
  • True HEPA 2.5 ~ 99.97% Efficient
  • 2000 Gram / 3.0 Cannablend Filter
  • Best For Weed Smoke and Odor
  • Size 22″ x 14″ x 26″ (tall)
  • Floor Unit on Casters

LAFC-RC1-HEPA

$1,995.00
  • 5000 CFM
  • True HEPA 99.97% to 0.3 Micron
  • 500 gram / 0.75 Carbon Filter
  • High Level Particle Removal
  • Size ~ 48″ x 24″ x 11″
  • Ceiling Mount

LAFC-RC1-HEPA

  • 5000 CFM
  • True HEPA 99.97% to 0.3 Micron
  • 500 gram / 0.75 Carbon Filter
  • High Level Particle Removal
  • Size ~ 48″ x 24″ x 11″
  • Ceiling Mount
$1,995.00

Maxum HEPA-120

$850.00
  • 500 CFM
  • True HEPA ~ 99.97% Efficient
  • 900 gram carbon / 2.5 inch filter
  • Best Table Top Smoke and Odor Elimination
  • 17 x 13 x 13
  • 490 CADR
  • Table Top / Shelf / Floor

Maxum HEPA-120

  • 500 CFM
  • True HEPA ~ 99.97% Efficient
  • 900 gram carbon / 2.5 inch filter
  • Best Table Top Smoke and Odor Elimination
  • 17 x 13 x 13
  • 490 CADR
  • Table Top / Shelf / Floor
$850.00

HEPA Filter FAQ

A HEPA filter is a mechanical device (filter) that remove particles from the air. HEPA stands for high efficiency particulate air. To be considered as a HEPA filter it must remove 99.97% of air particles from the air stream.

Most manufactures recommend replacing your HEPA filters every 6-12 months. The actual life span can be calculated by the pressure drop of the filter. As the filter loads up with dust the resistance the filter applies increases. Unless you have equipment that measures the pressure drop it is best to follow the manufacturers recommendations

A HEPA filter can remove most everything, even radiation but HEPA filters cannot remove gases. This includes carbon monoxide, radon, formaldehyde any many other gases both dangerous and inert.

YES ! For a Filter to be considered a HEPA filter it must remove 99.97% of all particles as small as 0.3 microns. But, a real HEPA filter actually removes smaller particles better. 

HEPA Filter Facts

HEPA stands for high-efficiency particulate air. A HEPA air filter is a type of mechanical air filter; it works by forcing air through a fine mesh that traps harmful particles such as pollen, pet dander, dust mites, and tobacco smoke. The filter must satisfy certain standards of efficiency such as those set by the United States Department of Energy (DOE). To qualify as HEPA by US government standards, an air filter must remove (from the air that passes through) 99.97% of particles that have a size of 0.3 µm. 

HEPA filters origins can be tracked back to the gas masks used in World War II. The next notable iteration was used to filter out radioactive particles in the Manhattan Project. HEPA air filters were finally commercialized in the 1950s.  The original term became a registered trademark and later a generic term for highly efficient filters. This filter gained a great deal of popularity for use in curtailing the spread of the Covid19 Pandemic. 

HEPA filters are composed of a mat of randomly arranged fibers. The fibers are typically composed of fiberglass and other synthetic fibers. Recently micro fibers have been introduced to the makeup of high efficiency filters.  These fibers usually have diameters between 0.5 and 2.0 micrometers. Some are made of molten glass strands that are stretched to produce super fine filter elements. Key factors affecting its functions are fiber diameter, filter thickness, and face velocity.

The air space between HEPA filter fibers is typically much greater than 0.3 μm. The common assumption that a HEPA filter acts like a sieve where particles smaller than the largest opening can pass through is incorrect . Unlike membrane filters at this pore size, where particles as wide as the largest opening or distance between fibers can not pass in between them at all, HEPA filters are designed to target much smaller pollutants and particles. A 2016 NASA study has shown that HEPA filters are even more effective on particle as small a 0.1 micron. These particles are trapped (they stick to a fiber) through a combination of the following three methods:

 

3 Ways HEPA Filters Capture Particles

The first method is impaction.  Impaction is what most people think of an air filter doing. Larger particles (1 micron and larger) are readily caught in the tight weave. These particles have a larger mass and their inertia leads them to slam into the tight weave of the HEPA filter. As more and more particles are trapped the room for smaller particles to slip by is diminished and the filters effectiveness increases. Impaction is most effective on particle 2 microns an larger and sometimes is referred to as sieving.

The second method is interception: Interception is more a matter of particle capture.  The path trough a high efficiency air filter is full of turns and obstacles like fibers and particles that have already been captured. The filter can capture small particles when they come too close to filter elements. This magnet like capture becomes more likely as the speed of the passing particles decreases.

 The third mechanical method called diffusion. Diffusion is the act of slowing a particles progress through the filter bank. The maze like structure of the filter leads some particles out of the main air stream. As these diverted  particles slow they are then much more easily trapped by the first two methods.

MechanismEffective Size RangeDescription   
Impaction> 1 micron

Particles collide head-on with fibers due to inertia

Interception0.3-1 micron

Particles brush against fibers as they follow the airflow

Diffusion< 0.1 micron

Small particles bump into fibers due to erratic movement

How a filter traps dirt in a home air purifiier

HEPA Filter Efficiency Explained.

We often talk about and mention HEPA filters through out our website. They are not well understood. To promote a more clear understanding. The graph below illustrates efficiency of a standard True HEPA filter.

The graph illustrates what size particles are captured by the 3 methods used by high efficiency air filters to remove particles from the air stream.

A HEPA Filter efficiency chart
True HEPA air filtration Removes particles smaller than 0.3 microns

One fact you should  note is that a True HEPA filter naturally does a better job of capturing the smallest of particles. Some filter manufactures will claim that there filters  are special because it captures particles smaller than 0.3 microns. In most cases this is a misleading statement, because all True HEPA air filters are better at this particle size.

LakeAir HEPA Filters

LakeAir HEPA air cleaning filters are made in the USA. Glasfloss (the oldest privately held American filter manufacturer) is know for producing quality commercial grade filters. LakeAir HEPA air filters use solid construction to ensure long filter life and high particle capture rate. The image below shows the two different HEPA filter types used in LakeAir Products

Image showing the construction of HEPA filters used by LakeAir
LakeAir Uses high quality HEPA filters manufactured in the USA by Glasfloss

Purchase Replacement HEPA Filters

Below is a selection of HEPA filters for all LakeAir products. For other LakeAir Filters see the links below.

Product Selection Filter

Showing all 5 results

LA2 | MAX

$245.00 available on subscription from $200.00 every 3 months

Part# 499180 Replaces the HEPA filter in Most LA2-RC2 and LA2-RC1 Models. Replaces HEPA Filter in all LA2-Rc2-HUV and LA2-RC1-HUV models.

LA2 | MAX

Part# 499180 Replaces the HEPA filter in Most LA2-RC2 and LA2-RC1 Models. Replaces HEPA Filter in all LA2-Rc2-HUV and LA2-RC1-HUV models.

$245.00 available on subscription from $200.00 every 3 months

LAFC HEPA Filter

$225.00

This filter replaces the HEPA filter in the LAFC HEPA.  The 499081 HEPA filter will remove 99.97% of particles as small as .3 microns and has a charcoal pad to absorb tough orders and VOCs. This filter is ideal for cleanroom applications and when you must have the purest air available. This filter will need to be changed 1 or more times a year depending on room conditions. Part # 499081

LAFC HEPA Filter

This filter replaces the HEPA filter in the LAFC HEPA.  The 499081 HEPA filter will remove 99.97% of particles as small as .3 microns and has a charcoal pad to absorb tough orders and VOCs. This filter is ideal for cleanroom applications and when you must have the purest air available. This filter will need to be changed 1 or more times a year depending on room conditions. Part # 499081

MAX Guard /

$215.00 or subscribe and save up to 10%

This 2.5 inch HEPA filter removes 99.97%  of all particles from the air stream. It is used in MAX-Guard / WM-RC2 / LAFC units to allow more room for carbon filtration. Pair this HEPA filter with the 3.o Carbon Filter . This products part number is 499060

MAX Guard /

This 2.5 inch HEPA filter removes 99.97%  of all particles from the air stream. It is used in MAX-Guard / WM-RC2 / LAFC units to allow more room for carbon filtration. Pair this HEPA filter with the 3.o Carbon Filter . This products part number is 499060

$215.00 or subscribe and save up to 10%

Maxum /CM2 Replacement

$180.00 or subscribe and save up to 10%

This HEPA filter replaces the HEPA in both the Maxum HEPA-120 and CM2-RC2-HEPA-120. Filter Efficiency of 99.97% Filter depth of 2.5 inches with galvanized steel frame.

Maxum /CM2 Replacement

This HEPA filter replaces the HEPA in both the Maxum HEPA-120 and CM2-RC2-HEPA-120. Filter Efficiency of 99.97% Filter depth of 2.5 inches with galvanized steel frame.

$180.00 or subscribe and save up to 10%

Maxum HEPA Filter

$180.00 or subscribe and save up to 10%
  • Part# 499084
  • Size 16″ x 12″ x 4.5″
  • 99.97% efficient (True HEPA)
  • Fits models Maxum HEPA and CM2-RC2-HEPA
  • 6 – 12 months

Maxum HEPA Filter

  • Part# 499084
  • Size 16″ x 12″ x 4.5″
  • 99.97% efficient (True HEPA)
  • Fits models Maxum HEPA and CM2-RC2-HEPA
  • 6 – 12 months
$180.00 or subscribe and save up to 10%