The Type 21FL is the fluorescent version of the type 21 standard PTFE-stoppered cuvette. That is useful for any fluorometer experiment that requires an airtight seal.

• Hand made ensuring the quality optical polish with no defects
• Fire fused to ensure the best bonding
• Lightpaths from 5 mm up to 50 mm available
• Four windows and base optically polished
• Stopper provides an airtight seal so gases and liquids will not leak

Every cell is thoroughly inspected before leaving the factory and guaranteed to give you the best optical transmission.

Several different materials available such as optical glass, UV quartz and IR quartz.