diff --git a/src/pages/Devices.tsx b/src/pages/Devices.tsx
index 6617f9d..0e030c1 100644
--- a/src/pages/Devices.tsx
+++ b/src/pages/Devices.tsx
@@ -324,8 +324,20 @@ export default function Devices() {
   }
 
   useEffect(() => {
-    console.log(hasPlenums)
-  }, [hasPlenums])
+    console.log("has no2: "+hasNo2)
+  }, [hasNo2])
+
+  useEffect(() => {
+    console.log("has co2: "+hasCo2)
+  }, [hasCo2])
+
+  useEffect(() => {
+    console.log("has co: "+hasNo2)
+  }, [hasNo2])
+
+  useEffect(() => {
+    console.log("has o2: "+hasO2)
+  }, [hasO2])
 
   const openProvisionDialog = () => {
     setIsProvisionDialogOpen(true);
@@ -659,7 +671,7 @@ export default function Devices() {
         }
       })
     }
-    if (hasCo) {
+    if (hasCo && !groupGas) {
       columns.push({
         title: groupGas ? "Gas" : "CO",
         render: (device: Device) => {