PYREX® Flasks, conical, narrow neck, heavy duty
- Mechanically stronger than standard flasks
- Designed for longer life and increased user safety
- Reinforced rims to reduce chipping and breakage
Products

| Catalog No | Capacity (mL) | Height (mm) | Body OD (mm) | Neck ID (mm) | Stopper Size | Quantity | |
|---|---|---|---|---|---|---|---|
| 4980-10 | 10 | 50 | 31 | 10 | 10 | 12 | Find a distributor |
| 4980-125 | 125 | 114 | 67 | 23 | 23 | 12 | Find a distributor |
| 4980-1L | 1000 | 216 | 129 | 37 | 37 | 6 | Find a distributor |
| 4980-25 | 25 | 65 | 41 | 13 | 13 | 12 | Find a distributor |
| 4980-250 | 250 | 132 | 82 | 27 | 27 | 12 | Find a distributor |
| 4980-2L | 2000 | 268 | 160 | 43 | 43 | 1 | Find a distributor |
| 4980-4L | 4000 | 360 | 206 | 43 | 43 | 1 | Find a distributor |
| 4980-50 | 50 | 78 | 51 | 14 | 14 | 12 | Find a distributor |
| 4980-500 | 500 | 176 | 101 | 31 | 31 | 6 | Find a distributor |
| 4980-6L | 6000 | 410 | 235 | 43 | 43 | 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
Containing more glass than standard wall Erlenmeyer flasks, these heavy duty flasks feature reinforced tooled necks which are more resistant to impact damage.
Products
Products

| Catalog No | Capacity (mL) | Height (mm) | Body OD (mm) | Neck ID (mm) | Stopper Size | Quantity | |
|---|---|---|---|---|---|---|---|
| 4980-10 | 10 | 50 | 31 | 10 | 10 | 12 | Find a distributor |
| 4980-125 | 125 | 114 | 67 | 23 | 23 | 12 | Find a distributor |
| 4980-1L | 1000 | 216 | 129 | 37 | 37 | 6 | Find a distributor |
| 4980-25 | 25 | 65 | 41 | 13 | 13 | 12 | Find a distributor |
| 4980-250 | 250 | 132 | 82 | 27 | 27 | 12 | Find a distributor |
| 4980-2L | 2000 | 268 | 160 | 43 | 43 | 1 | Find a distributor |
| 4980-4L | 4000 | 360 | 206 | 43 | 43 | 1 | Find a distributor |
| 4980-50 | 50 | 78 | 51 | 14 | 14 | 12 | Find a distributor |
| 4980-500 | 500 | 176 | 101 | 31 | 31 | 6 | Find a distributor |
| 4980-6L | 6000 | 410 | 235 | 43 | 43 | 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
Containing more glass than standard wall Erlenmeyer flasks, these heavy duty flasks feature reinforced tooled necks which are more resistant to impact damage.
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