Mega washer head for washing large cuvettes • The P65 Mega will work on cuvettes that have lightpaths from 10mm all the way up to 70mm. These work great for colorimeter cells• Designed to quickly clean and dry cuvettes with no handling involved• Comes with gasket and stopper 7• Will work on the following Firefly cuvettes- Type 1- 20, 30, 40, 50mm lightpaths; Type 1FL- 20, 30, 40, 50mm lightpaths; Type 32- 20mm; Type 34- 50, 100mm lightpaths; Type 72- 31.6, 45, 60.6mm lightpaths; Type 93- 10, 20, 30, 50mm lightpaths; Type 96- 10, 20, 40mm lightpaths; Type 97- 40mm lightpath; Type 2267A; Type 2267B• Vacuum flask, vinyl tubing and pump sold separately