Promo ! Car Cabin Air Filter 4.00 out of 5 From: 23.90$ Know Moreadd to cart Prana Car Cabin Air Filter With 5 Layers: Its purification efficiency is 99.95% . It blocks a high concentration of dust and dirt particles, pollen and second hand smoke from entering your lungs. The oxygen generating molecular sieve produces fresh, new oxygen. The catalyst removes the HCHO to improve the quality of the air. The carbon enables the removal of VOCs from off-gasses, with reduction efficiencies above 99%. In the presence of light, the photo catalyst transforms the coated surface, creating air purification and cleans the fine dust particles from inside the car.