Gasco Multi-Gas 429: 50% LEL Methane, 15% Oxygen, 100 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen
Gasco Multi-Gas 429S: 50% LEL Methane, 15% Oxygen, 200 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen
Gasco Multi-Gas Bump Test 429: 50% LEL Methane, 15% Oxygen, 100 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen
Gasco Multi-Gas Bump Test 429S: 50% LEL Methane, 15% Oxygen, 200 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-5825: 25% LEL Methane, 15% Oxygen, 200 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen, 34L