Enhance your La Marzocco GS3 AV with the Artpresso Custom Group Cap. This easy to install polished stainless-steel group cap features a walnut hardwood accent ring and is designed to complement all Artpresso GS3 customization components. Fits only the La Marzocco GS3 AV models, will not fit on the GS3 MP version. PLEASE NOTE: This Group Cap is made of metal and will become hot from the machine’s group head. Wood grain and color will differ slightly from the products pictured due to the distinctiveness of natural materials.