This tab is part of is part of the Consumable Properties Dialog.
It allows you to view/edit the properties that are common to all consumable types. The user can view/edit the purchase and the disposal cost as well as the reference units of the cost. They can also view/edit the consumable life, as well as include some additional Comments and Supplier information for bookkeeping.
Finally, the CO2eq factor is used when producing the Global Warming Potential (GWP) report and factoring in the contribution from consumables used by the process. For more details see Report Options Dialog: Global Warming Potential Tab and Global Warming Potential Report (GWP).