Horiba OCMA Series Parts 

Teflon Filter Element 40mm Diameter: Horiba part# 5700016168 (manual shows part# 3200043516 as a 5 pack which is not sold in the USA) 

O-Ring for Filter: Horiba part# 3200044264

Quartz Crystal Sample Cell: Horiba part# 3200044428

Sample Cell Cap (not included with sample cell): Horiba part# 3200044438

B Heavy Oil 10ml (for calibrating OCMA units): Horiba part# 3200043747 (not shown in images)