Cleenaire CAF12002 The Most Advanced Protection Against Smog Bacteria Dust Viruses Allergens Gases Odors, Cabin Air Filter For 15-17 Hyundai Sonata (Excluding Hybird) NEW UPDATED HIGH AIRFLOW VERSION (After 12/1/16) Of The Seven Stage Patented Protection From SMOG Bacteria, Dust, Viruses, Allergens, Gases, And Odors- The Most Advanced Cabin Filteration On The Market BOTH SIDES Of The Filter Are Equally Protected With Activated Coconut Shell Carbon - NO MORE DREADED AIRFLOW ARROW ! It Works The Same On Either Side! REINFORCED FRAMING Surrounding The Entire Perimeter Provides Unmatched Stability And Sealing To Prevent Contaminated Air Bypassing The Filter NO MORE BREATHING EXHAUST FUMES FROM THE CARS AHEAD, Get Behind A Diesel truck, And The Smell the Exhaust Should Be Greatly Reduced If Not Eliminated WHICH MEANS YOU ARE NO LONGER BREATHING IT IN Thanks To The Double Sided Activated Carbon. DESIGNED TO PROTECT YOU AND YOUR PASSENGERS From The Dangerous Effects Of Air Pollution, Headaches, Fatigue, Dizziness, Irritability AND THOSE ARE JUST THE SHORT TERM EFFECTS Our filters use a DOUBLE SIDED ACTIVATED CARBON with a BI-DIRECTIONAL design to eliminate the dreaded airflow arrow and the guesswork that goes with it. REINFORCED FRAME STRUCTURE around the entire perimeter, providing extra stability - allowing no room for contaminates to bypass the filter. Using a patented SEVEN stage filtration process, the overall contaminate capture rate is UNMATCHED by any filter currently on the market! NEW HIGH AIRFLOW DESIGN allowing air to flow at a high rate out of your vents. Harmful gases (Exhaust Fumes, Carbon Monoxide.. ect) Chemicals Vapors Cigarette Smoke Allergies Particle Matter Endotoxin Bacteria Virus Volatile Organic Compounds Plus hundreds of other contaminates that can be damaging to your health.