This is a high quality Competition shower screen with an innovative and very fine membrane  to get the ideal distribution of the water on the coffee in the porta filter. This very fine membrane keeps the group clean and slows the flow of water for a better and consistent extraction. The NT at the end of the product code is Nano Quartz In order to improve the percolation process, IMS offers a high quality coating using quartz nanotechnology . 

• External Diameter: 51.5 mm

• Holes area: 98

• Holes : ø M3
  

• Middle hole: ø M6

• Italian industry