Bronze Steam Radiator Valve, 60# WOG, 15# WSP, EPDM Disc, FIP x Male Union | Country of origin is Italy | The product has Bronze body | Reduce face loading with the Dual PTFE filters and differential pressure to clean the filter^11.5 Amp Motor - Drives two blower wheels to optimize suction and deliver industry-leading performance^2-Stage Motor Creates powerful "high-lift" suction and more efficient air flow. Result - more suction power and quieter operation | Reduce face loading with the Dual PTFE filters and differential pressure to clean the filter^11.5 Amp Motor - Drives two blower wheels to optimize suction and deliver industry-leading performance^2-Stage Motor Creates powerful "high-lift" suction and more efficient air flow. Result - more suction power and quieter operation