Growcontrols manufactures Induction Cap Sealing for Specially Made Inner Seals. Growcontrols is an ISO 9001:2000 certified company. The company manufactures high power inverters, rectifiers and power supplies for industrial and traction applications. The Induction Cap Sealing for Specially Made Inner Seals made with a pulpy board coated with a pulp bond, and a thin aluminium foil with a polymer coating. This inner seal is placed into container cap. After container is filled and capped, it passed under an inductor coil. The induction coil is with flux concentrators; it will have very high efficiency and eliminates the heating of adjacent metal parts. This coil can be placed away from the main inverter. Flexible water cooled power leads will carry water and power as well and this will simplify the connection.