diff --git a/rattail_corepos/importing/corepos/db.py b/rattail_corepos/importing/corepos/db.py
index b53d816..434a1c6 100644
--- a/rattail_corepos/importing/corepos/db.py
+++ b/rattail_corepos/importing/corepos/db.py
@@ -42,7 +42,7 @@ class FromCOREPOSToRattail(importing.FromSQLAlchemyHandler, importing.ToRattailH
 
     @property
     def host_title(self):
-        return "CORE POS ({})".format(self.corepos_dbkey)
+        return "CORE POS (DB/{})".format(self.corepos_dbkey)
 
     def make_host_session(self):
         return CoreSession(bind=self.config.corepos_engines[self.corepos_dbkey])
@@ -158,7 +158,7 @@ class ProductImporter(FromCOREPOS, importing.model.ProductImporter):
     Importer for product data from CORE POS.
     """
     host_model_class = corepos.Product
-    key = 'upc'
+    key = 'item_id'
     supported_fields = [
         'item_id',
         'upc',
@@ -172,7 +172,7 @@ class ProductImporter(FromCOREPOS, importing.model.ProductImporter):
         'regular_price_multiple',
         'regular_price_type',
         'food_stampable',
-        'tax1',
+        # 'tax1',
     ]
 
     def normalize_host_object(self, product):
@@ -189,23 +189,19 @@ class ProductImporter(FromCOREPOS, importing.model.ProductImporter):
         if product.normal_price is not None:
             price = decimal.Decimal('{:03f}'.format(product.normal_price))
 
-        size = (product.size or '').strip() or None
-        if size == '0':    # TODO: this is only for sake of CORE sample data...
-            size = None
-
         return {
             'item_id': product.upc,
             'upc': upc,
             'brand_name': (product.brand or '').strip() or None,
             'description': (product.description or '').strip(),
-            'size': size,
+            'size': (product.size or '').strip() or None,
 
             'department_number': product.department_number or None,
             'subdepartment_number': product.subdepartment_number or None,
 
             'weighed': bool(product.scale),
             'food_stampable': product.foodstamp,
-            'tax1': bool(product.tax), # TODO: is this right?
+            # 'tax1': bool(product.tax), # TODO: is this right?
 
             'regular_price_price': price,
             'regular_price_multiple': 1 if price is not None else None,