diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnExpressionPanel.java b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnExpressionPanel.java
index d72b625..d55c931 100644
--- a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnExpressionPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnExpressionPanel.java
@@ -123,7 +123,11 @@ public class ColumnExpressionPanel extends FramedPanel {
 		flowButton.setPack(BoxLayoutPack.CENTER);
 
 		btnApply = new TextButton("Apply");
-		btnApply.setIcon(ExpressionResources.INSTANCE.apply());
+		if (type == ColumnExpressionPanelType.ColumnRule) {
+			btnApply.setIcon(ExpressionResources.INSTANCE.apply());
+		} else {
+			btnApply.setIcon(ExpressionResources.INSTANCE.applyFilter());
+		}
 		btnApply.setIconAlign(IconAlign.RIGHT);
 		btnApply.setTitle("Apply rule");
 		btnApply.addSelectHandler(new SelectHandler() {
diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnFilterDialog.java b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnFilterDialog.java
index a903fe3..b478b0d 100644
--- a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnFilterDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ColumnFilterDialog.java
@@ -22,7 +22,7 @@ import com.sencha.gxt.widget.core.client.event.HideEvent.HideHandler;
 
 public class ColumnFilterDialog extends Window {
 	protected String WIDTH = "650px";
-	protected String HEIGHT = "426px";
+	protected String HEIGHT = "334px";
 	protected ColumnExpressionPanel columnExpressionPanel;
 	protected C_Expression exp = null;
 	protected ColumnData column = null;
@@ -58,9 +58,9 @@ public class ColumnFilterDialog extends Window {
 		setHeight(HEIGHT);
 		setBodyBorder(false);
 		setResizable(false);
-		setHeadingText("New Rule");
+		setHeadingText("New Filter");
 		setClosable(false);
-		getHeader().setIcon(ExpressionResources.INSTANCE.rule());
+		getHeader().setIcon(ExpressionResources.INSTANCE.filter());
 
 	}
 
diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/ExpressionResources.java b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/ExpressionResources.java
index 3d85b05..c83cc15 100644
--- a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/ExpressionResources.java
+++ b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/ExpressionResources.java
@@ -38,6 +38,12 @@ public interface  ExpressionResources extends ClientBundle {
 		@Source("wrench-manage.png")
 		ImageResource search();
 		
+		@Source("column-filter.png")
+		ImageResource filter();
+		
+		@Source("column-filter-go.png")
+		ImageResource applyFilter();
+		
 		
 		
 }
\ No newline at end of file
diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go.png b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go.png
new file mode 100644
index 0000000..dcb3aa2
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diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go_32.png b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go_32.png
new file mode 100644
index 0000000..d2e02d5
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diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter.png b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter.png
new file mode 100644
index 0000000..2659e30
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diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter_32.png b/src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter_32.png
new file mode 100644
index 0000000..0fa2011
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diff --git a/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go.png b/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go.png
new file mode 100644
index 0000000..dcb3aa2
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diff --git a/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go_32.png b/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter-go_32.png
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index 0000000..d2e02d5
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diff --git a/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter.png b/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter.png
new file mode 100644
index 0000000..2659e30
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diff --git a/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter_32.png b/src/main/resources/org/gcube/portlets/user/td/expressionwidget/client/resource/column-filter_32.png
new file mode 100644
index 0000000..0fa2011
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