● Double negative pressure structure, no leakage risk ● HEPA guarantees low resistance, high efficiency and more reliable tank sealing ● Rich control forms to meet different requirements of customers ● Multiple pressure equalization, uniform wind speed, good unidirectional flow pattern ● Imported fan, large residual pressure, low noise and energy saving, reliable performance ● Quiet airflow design significantly reduces noise levels. ● Internal use of 304 stainless steel, enhanced corrosion resistance.| Model number | Overall dimensionW×D×H | Work area sizeW×D×H | Cleanliness grade | The value of the outlet determines the wind speed（m/s） | Efficient sizeL×W×D | Table type |
| BSL-CB09-081070 | 970×770×1800 | 810×700×550 | Level A | 0.45±20% | 720×610×93×1 | Single side vertical air supply |
| BSL-CB15-130070 | 1460×770×1800 | 1300×700×550 | 590×610×93×2 | Double single vertical air supply | ||
| BSL-CB06-082048 | 900×700×1450 | 820×480×600 | 650×540×93×1 | Single side horizontal air supply | ||
| BSL-CB13-168048 | 1760×700×1450 | 1680×480×600 | 740×540×93×2 | Double side horizontal air supply |