LAB4US UV Quartz Cuvette 50mm Cuvettes for Spectrophotometer (2pcs) (Pathlength: 50mm; Volume: 17.5ml; Spectral Range: 190-2500 nm) 45x12.5x52.5mm
Globe Scientific 111137 Polystyrene Square Spectrophotometer Cuvette, 4 Clear Sides, 4.5mL Capacity (Case of 500)