integrated silica gel door gasket, air tightness is very good, and long operation life.
8.The inner box is mirror-polished , graceful and non-pollution
TechnicalParameters:
InternalDimension
D(mm)
300250
350450
450550
550650
650750
ExternalDimension
D(mm)
8501300900
9001350900
100014801000
115016501200