Designed with a larger-mesh top box and a smaller-mesh rocking sifter, the double decker allows you to sift through two mesh sizes simultaneously.The upper box is clamped into place on top of the bottom sifting screen.After the material remaining in the top box is processed, the top box is easily unclipped and removed, leaving the sorted smaller matrix in the bottom rocking sifter—thus aiding in the identification of small objects.Double deck Screens (model# Tyler H-40-X).Screens for S-7508 , (top).High tensile carbon steelWidth 4 feet – length: 5 feet, Tyler 5.Wire diameter: 0.054" (opening : 0.156").Slots RA with hooks on 5" side metal reinforced with 8 holes at center 22 mm.Top Polishing Screens for S-7509.Type: 722 AMaterial: St. Steel 316, PVC edge eyeleted every 100 mm.Length: 4316 mm.Width: 2010 mm.Aperture: (4*7) mm.Wire diameter: 1.6.
