Home / Ground Joints / Disc Percs & Parts Disc Percs & Parts Percolator discs and functional parts Products Angle Cut (Turbine) Disc 50mm Cut Hole Disc 35mm Fritted Disc 24mm Fritted Disc 30mm Fritted Disc 36mm Fritted Disc 40mm Round Hole Honeycomb Disc 26mm Round Hole Honeycomb Disc 32mm Round Hole Honeycomb Disc 38mm Round Hole Honeycomb Disc 40mm Round Hole Honeycomb Disc 44mm Round Hole Honeycomb Disc 50mm