Specifications
| Gas & Capacity | CL2 10 HOUR or CL2 25 HOUR or H2 10 HOUR or H2 25 HOUR or H2S 10 HOUR or H2S 25 HOUR or HCN 10 HOUR or HCN 25 HOUR |
| PPM | 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25 |