2004-97 Buick Regal 3.8L, 2009-05 Buick Allure 3.8L, 2009-05 Buick LaCrosse 3.8L, 2005-00 Chevrolet Monte Carlo 3.8L, 2005-00 Chevrolet Impala 3.8L, 1999-98 Oldsmobile Intrigue 3.8L, 2008-00 Pontiac Grand Prix 3.8L, 2007-06 Chevrolet Monte Carlo 3.5L, 2011-06 Chevrolet Impala 3.5L, 2002-99 Oldsmobile Intrigue 3.5L, 2005-00 Chevrolet Impala 3.4L, 2005-00 Chevrolet Monte Carlo 3.4L, 2005-97 Buick Century 3.1L, 2001-00 Chevrolet Lumina 3.1L, 2003-00 Pontiac Grand Prix 3.1L, 2008-05 Buick LaCrosse 3.6L, 2008-05 Buick Allure 3.6L, 2013-12 Chevrolet Impala 3.6L, 2016-14 Chevrolet Impala Limited 3.6L, 2009-08 Buick Allure 5.3L, 2009-08 Buick LaCrosse 5.3L, 2007-06 Chevrolet Monte Carlo 5.3L, 2009-06 Chevrolet Impala 5.3L, 2008-05 Pontiac Grand Prix 5.3L, 2011-06 Chevrolet Impala 3.9L, 2006 Chevrolet Monte Carlo 3.9L

• PureFlow by Premium Guard with 4 filtration stages - 1st stage PureFlow High Efficiency HEPA filtration media that captures microscopic pollutants including pollen and other common allergens.
• 2nd & 3rd Stage Activated Charcoal layer that traps harmful gases – e.g. carbon monoxide , sulfur dioxide. This layer is combined with baking soda to absorb bad smells.
• 4th layer is designed to suppress the growth of bacteria on the filter.

• PureFlow by Premium Guard with 4 filtration levels - 1st Stage PureFlow particulate filtration media - captures and eliminates particulate matter such as dust and pollen. Electrostatically charged to attract and lock fine particles of dust while allowing high-flow and high-capacity.
• 2nd & 3rd Stage Activated Charcoal layer that traps and mold harmful gases - e.g. carbon monoxide, sulfur dioxide. This layer is combined with Baking soda to absorb bad smells resulting from mold and smoke.
• 4th Stage filtration that employs special fibers acting as barrier to trap mold.