This document describes the features and specifications of vacuum chambers manufactured by BHF Tech. The chambers are made of acrylic plexiglass for air-tightness and visibility. They include rounded edges, accurate vacuum gauges, leak-tested gaskets resistant to solvents, sturdy lids and hoses. Various models are available in different sizes from 1.2 to 272 liters in capacity. All chambers are ISO and WHO certified and include a 45-day warranty.