Amorphous Silicon Search× Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Nanoporous Membrane Chips $550.00 TEM Pure Silicon Grids – 3×3 Windows $260.00 – $475.00 TEM Pure Silicon Grids – Single Window $475.00 TEM Pure Silicon Grids – Two Slot Windows $475.00