Draeger Ethanol Diffusion Tubes 1000/a-D
Range: 125 - 25,000 ppm x h

1,000 - 25,000 ppm - 1 hour
500 - 12,500 ppm - 2 hour
200 - 5,000 ppm - 5 hour
125 - 3,100 ppm - 8 hour

**No Sample Pump is Required**