diff --git a/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py b/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py
index 0199e92..4d58a13 100644
--- a/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py
+++ b/rattail_corepos/corepos/importing/db/exporters/catapult_inventory.py
@@ -98,7 +98,7 @@ class InventoryItemImporter(FromCore, catapult_importing.model.InventoryItemImpo
         # 'num_pkgs',
         # 'cs_pk_multiplier',
         # 'dsd',
-        # 'pf1',
+        'pf1',
         # 'pf2',
         # 'pf3',
         # 'pf4',
@@ -294,8 +294,9 @@ class InventoryItemImporter(FromCore, catapult_importing.model.InventoryItemImpo
             # TODO: does CORE have this?
             # 'dsd': None,
 
+            'pf1': product.subdepartment.number if product.subdepartment else None,
+
             # TODO: are these needed?
-            # 'pf1',
             # 'pf2',
             # 'pf3',
             # 'pf4',