Product material Media contact materials: reinforced nylon, EPDM rubber, all materials have certain corrosion resistance, please judge the pump's resistance to the transmission media according to the contact materials. In addition to the transparent shell made of ABS, the other parts of the pump body are reinforced nylon, and the rubber parts are EPDM rubber. Filtering problem It is generally believed that the very clean gas still contains dust, so the pump inlet must be equipped with a filter. When the resistance of the filter increases due to impurities, the filter should be replaced immediately. Joint and pipe diameter Standard pagoda connector (material: reinforced nylon), 3 * 5mm silicone hose is recommended.