Spare parts for LPG devices Keymodule 1, 2. 1) Main handle casing. From 73 euro per pcs. Made of plastic. Colour: white. Quantity discounts. 2) Facial heads TML 10, 19, 31. From 60 euro. Made of plastic. Colour: white. Sold in sets and by pieces. Quantity discounts. 3) Module casing. From 63 euro. Made of plastic. Colour: white. The on-time replacement of module casing improves the effectiveness of the treatment up to 50-70% and vacuum power; increases the lifetime of the module.