100 nm 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 Micro+Nanoporous Membrane Chips $425.00 Nanoporous Membrane Chips $375.00 TEM Silicon Dioxide Grid – Single Window $260.00 X-Ray Silicon Dioxide Window – Single Window $375.00 X-Ray Silicon Nitride Window – Single Window $375.00 – $500.00