Filters (pneumatic components) are small devices that remove a small amount of solid particles in the liquid to protect the device. When the fluid enters the filter cartridge with a filter of a certain size, the impurities are blocked and the cleaned filtrate is filtered Export outlet, when the need for cleaning, as long as the removable cartridge removed, re-loaded after treatment, therefore, the use of maintenance is extremely convenient. Light filters (air pressure components) absorb some unwanted light. 1. Air filter so that the contaminated air is clean to the production, the state of life required, that is, the air to a certain degree of cleanliness. 2. Liquid filter so that the contaminated liquid is clean to the production, the required state of life, that is, the liquid to a certain degree of cleanliness. 3. Web Filter By setting to block spam, so that the information appearing on the computer screen to meet the requirements. The principle of absorption will be different colors of light separation.