SPE Disks, Resprep Oil & Grease, 47 mm, fiber, 20-pk.

*A sodium sulfate drying tube and a 0.45 µm PTFE syringe filter (cat.# 26145) also may be used.

Features & Benefits

• 47 mm glass fiber disks embedded with specialty bonded silica.
• Meet requirements for EPA Method 1664.*
• Reduce emulsion formation and amount of solvent required by previous EPA methods.
• No chlorofluorocarbons needed.