| Parameter | Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs) |
|---|---|
| Application | Used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, foodstuff analyses, protein filtration, and radioimmunoassay of weak β emitters. |
| Grade | Grade GF/A |
| Nominal air flow rate | 4.3 s/100 ml/in² |
| Nominal thickness | 260 µm |
| Basis Weight | 53 g/m² |
| Nominal basis weight | 53 g/m² |
| Max recommended temperature | 550 °C |
| Material | Borosilicate glass |
| Format | Circles |
| Binder type | Binder Free |
| Typical Particle Retention in Liquid1 | 1.6 µm |
| Typical water flow rate2 | 143 ml/min |
| Dimensions | Ø 21 mm |
| Pack size | 100 pieces |
- 1Particle retention rating at 98% efficiency.
- 2Normalised for 9 cm diameter. Measured under gravity for comparative purposes