eBOOST™ increases the lubricity and anti-wear properties of A/Coil and rejuvenates rubber seals and O-rings; Spotgun cartridge-type ESTER oils utilize the Spotgun injectionsystem to inject a precise measured amount of A/C Oil; Universal ESTER Oil with Dye and eBOOST; Viscosity: 150; UnitSize:16 oz/480 ml; Quantity: 1