... (stainless steel), FFU supplies air, the frame is covered with anti-static curtain or plexiglass, the cleanliness class can be from ... air is supplied by FFU, the frame is coved with anti-static curtain or organic glass, the top of clean booth ... :Frame: stainless steel, firm, nice, anti-rust, dust-free;Anti-static curtain: 0.5mm,good effect of anti-static; transparent, soft, not easy to ...