Quality: one air filter basically has 4 layers: foam pre filter, outer metal mesh, filter paper, and innermetal mesh. These four layers can help the engine keep away from air dust effectively and protect thengine to work efficiently. For more details, please check the pictures
Package includes 2 × GX160 air filter elements.Fits for engine, pressure washer, generator,water pump etc
Dimensions: 4in Length x 2.9in Width x 2.6in Height. The hole is 0.28in. Please check the pictures to get details.