Boiler Noise Silencer; Item Noise Silencer; Type Viscous Liquid, Non-Toxic; Material Carbon Dioxide/Carbon Monoxide/Nitrogen Oxides/Metal Oxide/Oxides; Used On Item Central Heating Boiler System; Color Pale Beige; pH Value 7; Container Capacity 1 Pint; Initial Boiling Point 100 Deg C; Packaging Quantity 10 per Carton