FIRSTINFO Aluminum Can Pneumatic/Manual Refillable Fluid Pressure Storage Sprayer Refill pressure with universal adapter for easy to stuff air pressure. Provide with the safety valve on the air inlet set. pre-setting 90 Psi(6.3Bar); The exceed pressure will be release automatically. With long type nozzle for narrow and difficult space. Ideal for using in lubrication, anti-rust, etc. Aluminum canister for long life use. Made in Taiwan with high quality.