Silicon Nitride 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 TEM Lift-Out Grids $490.00 – $790.00 TEM Silicon Nitride Grids – 3×3 Windows $180.00 – $375.00 TEM Silicon Nitride Grids – Single Window $180.00 – $375.00 TEM Silicon Nitride Grids – Two Slot Windows $375.00 X-Ray Silicon Nitride Windows – Single Window $375.00 – $500.00