Cover Glass for Second Generation Dimension EC Cell -- Set of 5 spare fused silica cover glasses -- Seals cell against FFKM boot (EC-V2-CH BOOT) upon engage -- Enables sample viewing after assembly -- Slotted for easy assembly -- Included with the second generation Dimension Icon and Edge EC accessories (Models ICONEC-V2-NOPOT, ICONEC-V2-POT-100V, -110V, EDGEEC-V2-NOPOT, EDGEEC-V2-POT-100V, -110V) but available as a spare part -- REQUIRES one of the second generation Dimension Icon or Edge EC accessories (see model numbers above)