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    Award-winning BioGS 2.0 Air Purifier
      BioGS 2.0 Air Purifier Interface
        Meet the Ultra Quiet BioGS 2.0 Air Purifier


        BioGS 2.0 VS MinusA2


        MinusA2 780A

        MinusA2 700A

        BioGS 2.0 625A

        BioGS 2.0 550A
        Room Coverage
        (based on 2 air changes per hour)
        up to 815 sq. ft. up to 700 sq. ft. up to 625 sq. ft. up to 550 sq. ft.
        Dimension (inches) 20H x 21.4W x 7D 20H x 21.4W x 7D 22.2H x 16.6W x 9.8D 22.2H x 16.6W x 9.8D
        Warranty 5 Years 5 Years 5 Years 5 Years
        Price $599.95 $499.95 $399.95 $369.95
        True HEPA Filtration Yes Yes Yes Yes
        Air Purification Stages 1 - Pre-Filter
        2 - Medium Filter
        3 - HEPA Filter
        4 - Customized Filter
        5 - Charcoal Filter
        6 - Negative Ions
        1 - Pre-Filter
        2 - Medium Filter
        3 - HEPA Filter
        4 - Customized Filter
        5 - Charcoal Filter
        6 - Negative Ions
        1 - Pre-Filter
        2 - Charcoal Filter
        3 - HEPA Filter
        4 - Negative Ions
        1 - Pre-Filter
        2 - Charcoal Filter
        3 - HEPA Filter
        4 - Negative Ions
        Ozone Emissions Zero* Zero* Negligible** Negligible**
        CADR 208 Pollen
        200 Dust
        193 Smoke
        201 Pollen
        200 Dust
        193 Smoke
        189 Pollen
        165 Dust
        152 Smoke
        162 Pollen
        149 Dust
        135 Smoke
        Air Flow (Cubic Feet per minute) Speed 1 - 58 CFM
        Speed 2 - 80 CFM
        Speed 3 - 112 CFM
        Speed 4 - 159 CFM
        Speed 5 - 218 CFM
        1 - 47 CFM
        2 - 64 CFM
        3 - 97 CFM
        4 - 140 CFM
        5 - 187 CFM
        1 - 42 CFM
        2 - 66 CFM
        3 - 95 CFM
        4 - 137 CFM
        5 - 167 CFM
        1 - 42 CFM
        2 - 66 CFM
        3 - 78 CFM
        4 - 117 CFM
        5 - 147 CFM
        Noise Level (Decibels) Speed 1 - 25.6 dBA
        Speed 2 - 31.1 dBA
        Speed 3 - 37.4 dBA
        Speed 4 - 44.5 dBA
        Speed 5 - 51.3 dBA
        1 - 20.8 dBA
        2 - 24.6 dBA
        3 - 31.3 dBA
        4 - 39.2 dBA
        5 - 45.6 dBA
        1 - 22.8 dBA
        2 - 28.6 dBA
        3 - 37.2 dBA
        4 - 46.7 dBA
        5 - 50.4 dBA
        1 - 22.8 dBA
        2 - 28.6 dBA
        3 - 33.5 dBA
        4 - 44.3 dBA
        5 - 48.6 dBA
        Filter Life Span 1 - 2 years 1 - 2 years 1.5 - 3 years 1.5 - 3 years
        Annual Filter Replacement Cost
        (based on 24/7 continuous operation)
        $85 $85 $53.30 $53.30
        Power Consumption 7 to 61 watts
        (Energy Star)
        7 to 47 watts
        (Energy Star)
        5 to 39 watts
        (Energy Star)
        5 to 29 watts
        (Energy Star)
        Colors Available White
        Black
        White White White
        Stand Alone / Wall Mountable Stand Alone /
        Wall Mountable
        Stand Alone /
        Wall Mountable
        Stand Alone Stand Alone
        Ultra Quiet Yes Yes Yes Yes
        Particle Sensor Yes Yes Yes Yes
        Odor Sensor Yes Yes Yes Yes
        Light Sensor Yes Yes No No
        Remote Control Yes Yes Yes Yes
        Deodorization Yes Yes Yes Yes
        Weight 19.4 lbs. 19.4 lbs. 16.8 lbs. 16.8 lbs.

        *Zero ozone emission with the negative ion generator turned off. An amount of 0.002 ppm (parts-per-million) was recorded on the low fan speed with the negative ion generator turned on. That is 25 times less than the 0.05 ppm maximum ozone concentration safety standard set forth by the California Air Resource Board.

        **An amount of 0.001 ppm (parts-per-million) was recorded with the negative ion generator turned on. That is 50 times less than the 0.05 ppm maximum ozone concentration safety standard set forth by the California Air Resource Board.

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