1. Anti-slip design handle 2. The material is stainless steel, wear-resistant and , and the quality is better 3. 8mm copper quick connector, . Water cooling ensures good outlet pressure. 4. Anti-vibration and high-quality mini pressure gauges the accuracy of pressure data. 5. The outer layer of spiral steel wire is reinforced to prevent bending and high pressure resistance. The oil-water separator has double filtration of activated carbon and cotton core, which completely solves the odor of breathing and makes the filtered gas more pure Material: Stainless steel colour: As shown Package Contents: 1 x Manual air pump 1 set x installation accessories 1 x Chinese and English instructions 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.