33-3018 is an original replacement type air filter for flat surfaces, designed specifically for the 2011–2013 Toyota Etios 1.4L diesel engine. It is directly compatible with the original air filter box and does not require any additional modifications. It offers both power enhancement and long-term filtration protection. It is suitable for urban commuting, long-distance driving and family vehicle use scenarios, and is compatible with the original ECU and emission system.