diff --git a/stretch_core/launch/rplidar.launch b/stretch_core/launch/rplidar.launch
index c772d02..e678c9e 100644
--- a/stretch_core/launch/rplidar.launch
+++ b/stretch_core/launch/rplidar.launch
@@ -9,6 +9,19 @@
+
+
+
+ - name: shadows
+ type: laser_filters/ScanShadowsFilter
+ params:
+ min_angle: 10
+ max_angle: 170
+ neighbors: 20
+ window: 1
+
+