Yes. We do indeed sell replacement lids. See Cuvette Lids (100 per pack) (CUV-LID)

These lids can be used with the cuvettes for the Colorimeter (COL-BTA), Go Direct® Colorimeter (GDX-COL), SpectroVis (SVIS, discontinued), SpectroVis Plus (SVIS-PL, discontinued), Go Direct® SpectroVis® Plus Spectrophotometer (GDX-SVISPL), Vernier Spectrometer (V-SPEC), Go Direct® Visible Spectrophotometer (GDX-SPEC-VIS), Ocean Optics spectrometers, and Go Direct® Turbidity (GDX-TRB). The lids are made of polyethylene.

The lids are 12 mm square on top and gradually taper down to 9 mm square on the bottom side that fits down into the cuvette. The lids will fit most standard 1 cm pathlength spectrometer cuvettes having a square opening. Thew will not fit into cuvettes having round openings.

Additional Information