The following terms relate to the type of air cleaning technology used by a device: CARB does not evaluate the effectiveness of air cleaners at removing pollutants. Please note that the list below does not reflect air cleaner effectiveness. The table below lists CARB-certified air cleaning devices, and is continuously updated as devices are approved.

More information about California's Air Cleaner Regulation (AB 2276).

Electronic air cleaners must also be tested for ozone emissions and meet an ozone emission concentration limit of 0.050 parts per million (50 ppb). 3 campaigns set in all parts of the world.Since 2010, all portable indoor air cleaning devices sold to people or businesses in California are required to be certified by CARB. As of October 2020, electronic in-duct air cleaning devices are also subject to the regulation. To be certified, all air cleaners must be tested for electrical safety.Collect over 30 historical planes from World War I.Choose between fun-to-play Pilot Mode or a more advanced Squadron Leader Mode.Experience WWI aerial warfare with intuitive controls and user-friendly flight mechanics.Face mighty zeppelins and anti aircraft artillery to change the tides of war. Two campaigns for Triple Entente and one for Central Powers will let you experience all major fronts of World War I – you’ll fly above most countries that participated in the conflict in various types of mission. Squadron Leader Mode adds an extra layer to the gameplay – apart from combat, you also need to manage resources, hire and train pilots and expand your base. In Pilot Mode you can simply focus on air combat, collecting and upgrading planes. Others stemming from light fighters like the Airco DH.2 to an enormous 4-engine bomber like the Sikorsky Ilya Muromets – all planes can be customized and upgraded.Ĭhoose between two modes suited for different playstyles and skillsets. In Warplanes: WW1 Sky Aces you take control of over 30 historical airplanes – including the Fokker Dr.I, famous for its pilot Manfred von Richthofen a.k.a. The game will take you into the times when aviation was in its dawning of existence – the first Wright brothers machines went into the sky just 11 years before the Great War! Engineers were quickly adapting this brand new invention into military purposes while creating fascinating and sometimes oddly looking planes. Fight above the battlefields of World War I and become the ultimate Sky Ace! Be a pioneer of aerial warfare in Warplanes: WW1 Sky Aces.

Free WWII: Clear Sky 41