.. _doc_item_asset_filter: Filter Assets ============= Filters (or "radiation filters") are created from the ItemFilterAsset class. They can be used to replenish the quality of radiation-proof :ref:`masks `. This inherits the :ref:`ItemAsset ` class. Item Asset Properties --------------------- **GUID** *32-digit hexadecimal*: Refer to :ref:`GUID ` documentation. **Type** *enum* (``Filter``) **Useable** *enum* (``Filter``) **ID** *uint16*: Must be a unique identifier. Filter Asset Properties ----------------------- Radiation filters have no unique asset properties. Refer to parent classes for additional properties.