• Stage 1: PUREFLOW® High Efficiency HEPA filtration media captures microscopic pollutants including pollen and other common allergens. Our HEPA filters are 99.97% or more efficient at filtering particles at 0.3 micron.
• Stage 2: Activated charcoal layer traps odors from exhaust gasses which contain carbon dioxide and nitrogen.
• Stage 3: Baking Soda infused carbon layer provides additional protection from odors caused by smoke, exhaust, mold, or mildew.
• Stage 4: Antimicrobial layer features fibers made with copper and silver ions that trap and eliminate bacteria and other microbes that can cause illness.

• 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.

2018-14 Chevrolet Silverado 1500 4.3L, 2018-14 GMC Sierra 1500 4.3L, 2020-15 Cadillac Escalade ESV 6.2L, 2020-15 Cadillac Escalade 6.2L, 2018-14 Chevrolet Silverado 1500 6.2L, 2020-18 Chevrolet Tahoe 6.2L, 2020-19 Chevrolet Suburban 6.2L, 2018-14 GMC Sierra 1500 6.2L, 2018-14 GMC Sierra 6.2L, 2020-15 GMC Yukon 6.2L, 2020-15 GMC Yukon XL 6.2L, 2017-14 Chevrolet Cheyenne 5.3L, 2018-14 Chevrolet Silverado 1500 5.3L, 2018-15 Chevrolet Silverado 2500 5.3L, 2020-15 Chevrolet Suburban 5.3L, 2020-15 Chevrolet Tahoe 5.3L, 2019-19 Chevrolet Silverado 1500 LD 5.3L, 2018-14 GMC Sierra 5.3L, 2018-14 GMC Sierra 1500 5.3L, 2020-15 GMC Yukon 5.3L, 2020-15 GMC Yukon XL 5.3L, 2019 GMC Sierra 1500 Limited 5.3L, 2019-15 Chevrolet Silverado 3500 HD 6.0L, 2019-15 Chevrolet Silverado 2500 HD 6.0L, 2019-15 GMC Sierra 2500 HD 6.0L, 2019-16 GMC Sierra 3500 HD 6.0L, 2019-15 Chevrolet Silverado 3500 HD 6.6L, 2019-15 Chevrolet Silverado 2500 HD 6.6L, 2021-19 Chevrolet Silverado 5500 HD 6.6L, 2021-19 Chevrolet Silverado 6500 HD 6.6L, 2021-19 Chevrolet Silverado 4500 HD 6.6L, 2019-15 GMC Sierra 3500 HD 6.6L, 2019-15 GMC Sierra 2500 HD 6.6L, 2019-15 Chevrolet Silverado 3500 HD 6.0L, 2019-15 Chevrolet Silverado 2500 HD 6.0L, 2019-16 Chevrolet Suburban 3500 HD 6.0L, 2018 Chevrolet Silverado 3500 6.0L, 2019 Chevrolet Suburban 6.0L, 2019-15 GMC Sierra 3500 HD 6.0L, 2019-15 GMC Sierra 2500 HD 6.0L, 2018-16 Chevrolet Silverado 1500 5.3L, 2018-16 GMC Sierra 1500 5.3L