The following table lists the recommended flow rates for different canister volumes and sampling times.
| Canister Volume/Sampling Time | Flow Rate | Sampler Style | Stainless Steel cat.# | Siltek-treated cat.# | |
| 1 Liter | 6 Liter | ||||
| 10 min | 60 min | 100 mL/min | Single gauge with quick connect | 27247 | 27248 |
| 10 min | 60 min | 100 mL/min | Dual gauge with 1/4 in. tube | 27253 | 27254 |
| 10 min | 60 min | 100 mL/min | Dual gauge with quick connect | 27259 | 27260 |
| 6.5 min | 40 min | 150 mL/min | Single gauge with quick connect | 27245 | 27246 |
| 6.5 min | 40 min | 150 mL/min | Dual gauge with 1/4 in. tube | 27251 | 27252 |
| 6.5 min | 40 min | 150 mL/min | Dual gauge with quick connect | 27257 | 27258 |
| 5.5 min | 33.5 min | 180 mL/min | Single gauge with quick connect | 27243 | 27244 |
| 5.5 min | 33.5 min | 180 mL/min | Dual gauge with 1/4 in. tube | 27249 | 27250 |
| 5.5 min | 33.5 min | 180 mL/min | Dual gauge with quick connect | 27255 | 27256 |
