Overview
The 3890 is the silicone O-ring used in the CO2 Bowen Ratio system. Customers will periodically need to replace worn-out O-rings.
Images
Specifications
| Inner Diameter | 1.75 cm (0.688 in.) |
| Width | 0.16 cm (0.063 in.) |
Privacy Policy Update
We've updated our privacy policy. Learn More