MATERIAL: Brass & Chrome plated / Glass Bulb TYPE: Pendent SERVICES Supply,Installation,Verification & Maintenance BULB SIZE: Standard Response : 5 mm & Quick Response 3 mm FEATURES: Useful in putting out the fire the moment it starts Minimal maintenance required Less scope for total damage in area can be installed to match a building's aesthetic qualities without being obtrusive. Pendent Supply,Installation,Verification & Maintenance.