Clean boarding and friendly crew. Unfortunately when we boarded the device that gives air circulation unsuccessful. The pilot educated us and asked for routine maintenance specialists to test it out. These are typically the airlines KAYAK customers have selected most often from inside our search results in flight lookups from https://www.diigo.com/item/note/aa9i2/3vr5?k=bd628811e7e5dc591f4e56babfad39a8