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We offer PUF plugs (PUF filters) for environmental air sampling with follow-up trace analysis.
Used density: 22,5 - 25,5 kg/m3, white (uncolored) batch without addition of milled calcite (in according to US EPA methodology TO-13).
We offer standard sizes of PUF plugs as well as custom size.
Standard sizes of PUF plugs are:
| Diameter | Lenght | Application |
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| 156 mm | 50 mm | Gravikon sampler |
| 150 mm | 15 mm | Passive air sampling |
| 110 mm | 50 mm | Digitel DH-77 sampler (usually 2 pcs in tandem) |
| 65 mm | 80 mm | Thermo Scientific GPS-1 sampler or
Digitel DH-77 sampler equip with automatic PUF filters changer |
| 55 mm | 100 resp. 50 mm | Leckel MVS-6 sampler (1 resp. 2 pcs in tandem) |
| 50 mm | 100 mm | ESM Andersen FH-95 sampler |
| 45 resp. 44 mm | 100 mm | Leckel MVS-6 sampler used with glass cartridge |
| 28 mm | 80 mm | Partisol sampler, model 2000 (Rupprecht & Patashnick) |
| 25 mm | 100 mm | VAPS sampler (URG) |
| 15 mm | 10 mm | ballast filter for sampling the work environment |
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Switch, Ltd.
