Custom 3mm Path, 10mL, 2 Windows, NRC, Customized Size Cuvette, FCTN50, Size: 72x42x5mm. 0. out of 5. $ 153 $ 141. Add to cart. Add to wishlist. Quick View. Hot. Custom 4×4 mm Internal Size Cuvette. 560uL Volume. 2 Clear Windows Quartz Cuvette for Spectrophotometers, MN2C4.