... core for easy installation 1Product Name: AIR VENT,PVC AIR VENT,PVC VENT,4-WAY PVC AIR VENT2Material: pvc,aluminium3Brand ... ) Removable core for easy installation and maintenanceceiling air vent is made of aluminum/PVC,extrustions in natural anodized ... conditioning8) Different sizes available 1Product Name: AIR VENT,PVC AIR VENT,PVC VENT,4-WAY PVC AIR VENT2Material: pvc,aluminium3Brand Samdream4Color ...