Macro Cuvettes
Fluorescence Cells with Macro capacities (1.4ml-35.0ml)
Type 21FL Macro Fluorescence Cuvette with PTFE Stopper (Lightpaths: 5-50mm)






Type 21FL Macro Fluorescence Cuvette with PTFE Stopper (Lightpaths: 5-50mm)
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.
Features of FireflySci Type 21FL Spectrophotometer Cuvette:
- Hand made ensuring the highest quality optical polish with no defects.
- Every cell is thoroughly inspected before leaving the factory.
- Firefly cuvettes are guaranteed to give you the best optical transmission.
- Fire fused to ensure the best bonding.
- Several different materials available: (Optical Glass, UV Quartz, IR Quartz)
- Lightpaths from 5mm up to 50mm available.
- Four windows and base optically polished.
- Includes PTFE stopper
- Stopper provides an airtight seal so gases and liquids will not leak.
| Lightpath | Top | Outer Length | Outer Width | Outer Height | Inner Length | Inner Width | Capacity |
|---|---|---|---|---|---|---|---|
| 5mm | PTFE Stopper | 7.5mm | 12.5mm | 49.0mm | 5.0mm | 10.0mm | 1.700ml |
| 10mm | PTFE Stopper | 12.5mm | 12.5mm | 49.0mm | 10.0mm | 10.0mm | 3.500ml |
| 20mm | PTFE Stopper | 22.5mm | 12.5mm | 49.0mm | 20.0mm | 10.0mm | 7.000ml |
| 40mm | PTFE Stopper | 42.5mm | 12.5mm | 49.0mm | 40.0mm | 10.0mm | 14.000ml |
| 50mm | PTFE Stopper | 52.5mm | 12.5mm | 49.0mm | 50.0mm | 10.0mm | 17.500ml |
Fill your cuvettes faster with these great 3ML transfer pipettes.
Pipettes come in 10 pieces per bag.
Made from polypropelyne.
Doubled-sided, high quality lens cloth with FireflySci logo. Great for cleaning optical surfaces.
PTFE stoppers for various Firefly spectrophotometer and fluorometer cuvettes
P67 Stirring Rod for manual stirring of a sample in a 10mm cuvette. Made from polyethylene.
Mini cuvette stirrer for use in semi-micro cuvettes and narrow-apertured cuvettes.
Stirs cell contents while measuring absorbance or fluorescence. Fits all standard spectrophotometers and fluorometers with a 10mm cuvette holder.
Small piece of this film will seal test tubes, cuvettes, beakers, flasks, culture tubes, etc
Plastic (opaque, black) case to hold 4 cells up to 10mm L/P each, or two 20mm L/P cells, or one 50mm L/P cell
Plastic (opaque, black) case to hold 6 cells up to 10mm L/P each, or three 20mm L/P cells
Learn what a z-dimension or centre height of a cuvette is and find the correct one for your machine.
Learn some cool quartz cuvette tips and tricks that will save you time with your experiments.


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A fast and easy way to clean your cuvettes.
These cuvette washers are designed to quickly clean and dry your cuvettes with no handling involved.