Use Inside Buildings, Only with Cold Waste Water and Ventilation Cold SeriesUse Inside Buildings, Only with Cold Waste Water and Ventilation Cold SeriesUse Inside Buildings, with Hot and Cold Waste Water - B SeriesUse Inside Buildings, with Hot and Cold Waste Water - B SeriesLow Smoke EmissionLow Smoke EmissionSelf ExtinguishableSelf ExtinguishableEasy Handling and InstallationEasy Handling and InstallationSocket for Joining with Lip Ring (TD) EmbouchureSocket for Joining with Lip Ring (TD) EmbouchureNo CorrosionNo CorrosionIntermittent Discharge TemperatureIntermittent Discharge Temperature100% Recyclable100% Recyclable