Feature 1Easy to Use: Water oil separator is easy to use, take away the filter cotton, wipe off the water stains, reassemble and can be used. 2With 3 Filter Cotton: Airbrush filter with 3 filter cotton, easy to replace your use, compact and portable, easy to carry and storage. 3Easy to Install: Spray gun water oil separator is easy to install, easy to operate, strong applicability, applicable to most of the airbrush. 4Copper Core Material: Spray gun water oil separator is made of copper core material, good filtration effect, durable, can be used for a long time. 5Replacement: Replace broken, damaged, cracked, unusable filters, easy to use and stable performance.Item Type:WaterOilSeparatorMaterial: Copper, Plastic .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Water Separator3 x Filter Cotton1 x User Manual