Comparison : Item # FW18S6ASP, Perforated Ant-Static Air Foam Rolls
Item # FW18S12ASP, Perforated Ant-Static Air Foam Rolls
Item # FW18S18ASP, Perforated Ant-Static Air Foam Rolls
Item # FW18S24ASP, Perforated Ant-Static Air Foam Rolls
Item # FW1872ASP, Perforated Ant-Static Air Foam Rolls