diff --git a/fastapi_sqlalchemy_toolkit/model_manager.py b/fastapi_sqlalchemy_toolkit/model_manager.py
index df7cc12..a50de71 100644
--- a/fastapi_sqlalchemy_toolkit/model_manager.py
+++ b/fastapi_sqlalchemy_toolkit/model_manager.py
@@ -25,7 +25,9 @@
 from sqlalchemy.orm.attributes import InstrumentedAttribute
 from sqlalchemy.orm.relationships import Relationship
 from sqlalchemy.sql import Select
+from sqlalchemy.sql.base import _entity_namespace
 from sqlalchemy.sql.elements import UnaryExpression
+from sqlalchemy.sql.expression import BinaryExpression, ColumnElement
 from sqlalchemy.sql.functions import Function
 from sqlalchemy.sql.schema import ScalarElementColumnDefault
 from sqlalchemy.sql.selectable import Exists
@@ -524,7 +526,9 @@ async def paginated_list(
         self,
         session: AsyncSession,
         order_by: InstrumentedAttribute | UnaryExpression | None = ...,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any] | None = ...,
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ] | None = ...,
         nullable_filter_expressions: (
             dict[InstrumentedAttribute | Callable, Any] | None
         ) = ...,
@@ -540,7 +544,9 @@ async def paginated_list(
         self,
         session: AsyncSession,
         order_by: InstrumentedAttribute | UnaryExpression | None = ...,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any] | None = ...,
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ] | None = ...,
         nullable_filter_expressions: (
             dict[InstrumentedAttribute | Callable, Any] | None
         ) = ...,
@@ -555,7 +561,9 @@ async def paginated_list(
         self,
         session: AsyncSession,
         order_by: InstrumentedAttribute | UnaryExpression | None = None,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any] | None = None,
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ] | None = None,
         nullable_filter_expressions: (
             dict[InstrumentedAttribute | Callable, Any] | None
         ) = None,
@@ -618,7 +626,10 @@ async def paginated_list(
         )
 
         for filter_expression, value in filter_expressions.items():
-            if isinstance(filter_expression, InstrumentedAttribute | Function):
+            if isinstance(
+                filter_expression,
+                InstrumentedAttribute | Function | BinaryExpression | ColumnElement
+            ):
                 stmt = stmt.filter(filter_expression == value)
             else:
                 stmt = stmt.filter(filter_expression(value))
@@ -716,7 +727,9 @@ async def list(
         self,
         session: AsyncSession,
         order_by: InstrumentedAttribute | UnaryExpression | None = ...,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any] | None = ...,
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ] | None = ...,
         nullable_filter_expressions: (
             dict[InstrumentedAttribute | Callable, Any] | None
         ) = ...,
@@ -735,7 +748,9 @@ async def list(
         self,
         session: AsyncSession,
         order_by: InstrumentedAttribute | UnaryExpression | None = ...,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any] | None = ...,
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ] | None = ...,
         nullable_filter_expressions: (
             dict[InstrumentedAttribute | Callable, Any] | None
         ) = ...,
@@ -753,7 +768,9 @@ async def list(
         self,
         session: AsyncSession,
         order_by: InstrumentedAttribute | UnaryExpression | None = None,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any] | None = None,
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ] | None = None,
         nullable_filter_expressions: (
             dict[InstrumentedAttribute | Callable, Any] | None
         ) = None,
@@ -830,7 +847,10 @@ async def list(
         )
 
         for filter_expression, value in filter_expressions.items():
-            if isinstance(filter_expression, InstrumentedAttribute):
+            if isinstance(
+                filter_expression,
+                InstrumentedAttribute | BinaryExpression | ColumnElement
+            ):
                 stmt = stmt.filter(filter_expression == value)
             else:
                 stmt = stmt.filter(filter_expression(value))
@@ -1075,7 +1095,9 @@ def get_select(self, base_stmt: Select | None = None, **_kwargs: Any) -> Select:
     def get_joins(
         self,
         base_query: Select,
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any],
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ],
         options: List[Any] | None = None,
         order_by: InstrumentedAttribute | UnaryExpression | None = None,
     ) -> Select:
@@ -1109,7 +1131,7 @@ def get_joins(
             elif isinstance(filter_expression, Function):
                 model = filter_expression.entity_namespace
             else:
-                model = filter_expression.__self__.parent._identity_class
+                model = _entity_namespace(filter_expression)
             if model != self.model:
                 models_to_join.add(model)
         for model in models_to_join:
@@ -1157,7 +1179,9 @@ def remove_optional_filter_bys(
 
     @staticmethod
     def handle_filter_expressions(
-        filter_expressions: dict[InstrumentedAttribute | Callable, Any],
+        filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ],
     ) -> None:
         for filter_expression, value in filter_expressions.copy().items():
             if value is None:
@@ -1169,7 +1193,9 @@ def handle_filter_expressions(
 
     @staticmethod
     def handle_nullable_filter_expressions(
-        nullable_filter_expressions: dict[InstrumentedAttribute | Callable, Any],
+        nullable_filter_expressions: dict[
+            InstrumentedAttribute | Callable | ColumnElement, Any
+        ],
     ) -> None:
         for filter_expression, value in nullable_filter_expressions.copy().items():
             if value in null_query_values: