How to replace the air cabin filter dust pollen filter on a Citroen C1 - YouTube
DNA Filters Citroen C1 1.0L (05-13) DNA Air Filter P-CI10S12-01 OEM Air Filter Air Flow: 111.50 CFM, DNA Air Filter Air Flow: 164.00 CFM CTR-C1 Product Details
Replacing the air filter in a Citroen C1 - iFixit Repair Guide
Air Filter for Toyota Aygo Yaris Citroen C1 Peugeot 107 10 55KW T32260 & Sivar | eBay