Car Air Purifier and Ionizer 3M filtrateTMair filter: captures and retains pollen, dust and dirt Activated carbon filter: absorb smokes, harmful gases and other offensive odors Carbon fiber ionizer: negative ions can revitalize the air by precipitating airborne, particles and substantially reducing the bacteria amount in the air Relieves symptoms of car sickness, headache, asthma, sneeze and allergy Relieving tension and promoting better concentration Fragrance box: the aroma beads in the box emits fragrance to enrich the purified and ionized air Specifications: Rated voltage: 12V DC Power consumption: 3W Ion output: ≥2.0 x 1,000,000 ions/cc Airflow velocity: High speed: 1.8m/s Low speed: 0.8m/s Effective range: 15 to 25M2 Dimensions: (L) 173 x (W) 119 x (H) 120mm Weight: 0.3kg Packing: each in a blister card Quantity: 20 pieces/carton Gross weight: 10.5kg, net weight: 9.2kg Measurements: 43.8 x 36 x 47cm