PYREX® Dropping Funnels, cylindrical, graduated, with PTFE stopcock key
- Complies with ISO 4800 Type 4
- Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)
- With double graduated scale in white enamel printing showing approximate volume contained/dispensed
- With interchangeable PTFE stopcock key
- Supplied with both a polyethylene and glass stopper
Products

| Catalog No | Capacity (mL) | Graduation Intervals (mL) | Remarks | Stopper Size | Key Bore Diameter (mm) | Quantity | |
|---|---|---|---|---|---|---|---|
| 3590/01 | 50 | 1 | Lowest grad. mark 5mL | 19/26 | 2 | 1 | Find a distributor |
| 3590/02 | 100 | 2 | Lowest grad. mark 10mL | 19/26 | 2.5 | 1 | Find a distributor |
| 3590/04 | 250 | 5 | Lowest grad. mark 25mL | 24/29 | 2.5 | 1 | Find a distributor |
| 3590/06 | 500 | 10 | Lowest grad. mark 50mL | 24/29 | 4 | 1 | Find a distributor |
| 3590/08 | 1000 | 20 | Lowest grad. mark 100mL | 29/32 | 4 | 1 | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
The double graduated scale shows the approximate volume of liquid contained in the funnel or the volume dispensed from the funnel.
Products
Products

| Catalog No | Capacity (mL) | Graduation Intervals (mL) | Remarks | Stopper Size | Key Bore Diameter (mm) | Quantity | |
|---|---|---|---|---|---|---|---|
| 3590/01 | 50 | 1 | Lowest grad. mark 5mL | 19/26 | 2 | 1 | Find a distributor |
| 3590/02 | 100 | 2 | Lowest grad. mark 10mL | 19/26 | 2.5 | 1 | Find a distributor |
| 3590/04 | 250 | 5 | Lowest grad. mark 25mL | 24/29 | 2.5 | 1 | Find a distributor |
| 3590/06 | 500 | 10 | Lowest grad. mark 50mL | 24/29 | 4 | 1 | Find a distributor |
| 3590/08 | 1000 | 20 | Lowest grad. mark 100mL | 29/32 | 4 | 1 | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
The double graduated scale shows the approximate volume of liquid contained in the funnel or the volume dispensed from the funnel.
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