| A | Single Test Appratus |
| B | Single Test Appratus with Digital Temp. |
| C | Double Test Appratus |
| D | Double Test Appratus with Digital Temp & RPM |
| Working Size | Size of HEPA Filter | No. of HEPA Filter | illumination | |
| A | 2’x2’x2’ | 2’x2’x6 | 1 | 1x20W |
| B | 3’x2’x2’ | 3’x2’x6’’ | 1 | 1x20W |
| C | 4’x2’x2’ | 4’x2’x6’’ | 1 | 1x30W |
| D | 6’x2’x2’ | 3’x2’x6’’ | 2 | 1x30W |
