The product is an original PSA Peugeot Citroen cabin filter activated carbon set, designed for easy installation in vehicles such as the Opel Corsa F and Citroen C4 III. The filter, with reference OE/OEM number 9833351080, effectively captures pollen and other particles to ensure clean and fresh air conditioning in the car. This high-quality replacement filter is a genuine part from the trusted brand PSA Peugeot Citroen, providing reliable performance and longevity for your vehicle's air conditioning and heating system.