Made of high-quality materials, durable, long service life, good quality and excellent performance Suitable for muffler The needs to suck in a large amount of air during the working process. If the air is not filtered, the dust suspended in the air will increase the wear of the machine after being sucked in. If larger particles enter, it may even cause damage to the machine. The filter elements plays a role in filtering out dust and sand particles in the air, ensuring sufficient and clean air in the air compressor. Colour:black+yellow Material:plastic Package Contents: 10 x Filter Elements Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.