Series of accessories to complement the tanks of the Industry. The range varies from threaded lid with and without vent, the sidewall stub pipe light, heavy, super heavy or inner tubing (for the aspiration from the bottom of the tank), with O-Rings in EPDM, VITON or SILICON. It also includes valves, bottom valves, slide or diaphragm valves for solids or powders, as well as hose fittings or in PVC.