Transform your workspace with the AtomStack D3 Air Purifier, a compact powerhouse designed to deliver a cleaner, more comfortable environment. Measuring just the size of an A4 sheet (approximately 8.3 x 11.7 inches), this ultra-portable purifier features a five-layer filtration system that captures and neutralizes smoke particles with 99.97% efficiency, ideal for laser engraving and cutting. Enjoy whisper-quiet operation at 50 dB, thanks to its snug-fit design that prevents smoke leakage and blocks sound transmission. The composite activated carbon layer effectively absorbs exhaust odors, enhanced by built-in filter cotton to prevent secondary pollution. With a durable filter life of up to 40 hours and easy 5-minute filter swaps, this purifier ensures uninterrupted creativity anywhere. This makes it perfect for outdoor creation, home crafting, classroom teaching, or office work. This air filter is compatible with the AtomStack P1.