| Model | YN-CS-23B | YN-CS-34A | YN-CS-68C | 
| 
			 (W×L×H)mm External Dimension  | 
			2100×3100×2590 | 3100×4100×2590 | 4000×4000×2300 | 
| 
			 (W×L×H)mm Internal Work Zone  | 
			2000×3000×2200 | 3000×4000×1900 | 3900*3900*2000 | 
| Clean Class Level | 1000Class(ISO6) | 100Class(ISO5) | 100 Class(ISO5) | 
| Air Velocity | 0.3-0.5m/s | 0.3-0.5m/s | 0.3-0.5m/s | 
| Noise | ≤65dB | ≤65dB | ≤65dB | 
| Vibration Half Peak | ≤5um | ≤5um | ≤5um | 
| Light | 40W×2 | 40W×4 | 40W×10pcs | 
| Power Supply | 220V/50Hz | 220V/50Hz | 220V/50Hz | 
| Material | 
			 Framework: Epoxy powder coated steel/ Stainless steel/Aluminum Wall: Anti-static strip curtain/Soft air curtain/Plexiglas  | 
		||