The Semco 12oz cartridge is translucent and made from high-density polyethylene.This product is fit with a 1/4 inch NPT female thread dispensing orifice and is capable of handling a wide variety of chemical fluids for storage and application.Cartridges can be pre-assembled with specific plungers, tri-seal caps, and flange caps to meet your specifications and are also available in 1, 2. 5, 6, 8, 12, 20, & 32 oz capacities.The Semco 12oz cartridge is capable of being dispensed with a pneumatic or manual gun.