https://store.astm.org/d0928-03r17.html
D928 Standard Specification for Sodium Bicarbonate
standard specificationsodiumbicarbonate
https://knowledge.keenfinity-group.com/intrusion-alarm-systems/article/how-to-determine-if-the-d928-is-compatible-with-th
How to determine if the D928 is compatible with the D8112
You can only use a D128 on the D8112 series panels
how tocompatible withdetermine