[EU/US Direct] Atomstack FB2 Enclosure With Extended Smoke Pipe Dust-Proof Cover Foldable Case For All Brand Laser Engraver 740x720x460mm Smoke Exhaust BoxAtomstack FB2 Enclosure Features: Multi layer Material: The Atomstack Protective Box is composed of 3 layers including 900D oxford cloth, honeycomb and flame retardant cloth (with silicone coating), lightweight, high density and fireproof. Extended Smoke Pipe: The smoke exhaust pipe can shrink to 50cm at the shortest and stretch to 2m at the longest. It's convenient to pull the pipe to the open space for smoke exhaust. Large Space: FB2 protective box