diff --git a/device-types/Check Point/SG1590.yaml b/device-types/Check Point/SG1590.yaml
index 3a832827ae..4fa24917ea 100644
--- a/device-types/Check Point/SG1590.yaml	
+++ b/device-types/Check Point/SG1590.yaml	
@@ -7,6 +7,7 @@ u_height: 1.0
 is_full_depth: false
 weight: 0.87
 weight_unit: kg
+airflow: passive
 power-ports:
   - name: DC
     type: dc-terminal
@@ -18,21 +19,21 @@ interfaces:
     type: 1000base-t
   - name: DMZ-SFP
     type: 1000base-x-sfp
-  - name: 1
+  - name: '1'
     type: 1000base-t
-  - name: 2
+  - name: '2'
     type: 1000base-t
-  - name: 3
+  - name: '3'
     type: 1000base-t
-  - name: 4
+  - name: '4'
     type: 1000base-t
-  - name: 5
+  - name: '5'
     type: 1000base-t
-  - name: 6
+  - name: '6'
     type: 1000base-t
-  - name: 7
+  - name: '7'
     type: 1000base-t
-  - name: 8
+  - name: '8'
     type: 1000base-t
   - name: WAN
     type: 1000base-t