【Extra Larger Size & Wide Compatibility】 Creality laser enclosure pro has a larger space (720 x 720 x 400mm / 28.3 x 28.3 x 15.7inch). 【Upgraded Powerful Exhaust System】Upgraded larger power ventilation fans,up to 4000 revolutions per minute,which can quickly discharge the smoke,particles,and odors generated during work to keep air fresh. 【Fireproof & Super Isolation】The inner flame-retardant cloth can be burned for a few minutes without damage under the open fire. 【Large Viewing Design】Dual-view window design for Real-time Observation and filters blue light and protects your eyes. The large viewing window is convenient for observing the engraving progress at any time.