The 4091 is a 1 g bag of desiccant for drying the air in the area above an instrument. For example, the SR50A uses six 4091 bags inside its transducer housing. Purchase of additional bags is recommended to use as spares or to rotate bags with time.
Read MoreThe 4091 provides a 1 g desiccant bag for drying the air in the area above an instrument, such as the SR50A Sonic Ranging Sensor or the EasyAg sensor.
For example, the EasyAG uses four desiccant bags, and the SR50A uses six desiccant bags. Purchase of additional bags is recommended to use as spares or to rotate bags with time.