Solder Fume Extractor, Upgraded 4-Stage Filtration Soldering Smoke Absorber with 510 m³/h Strong Suction, 10-Speed & Remote Control Brushless Smoke Extractor for Laser Engraving, 3D Printing Camping Supplies This is not a bi-directional

This is not a bi-directional adapter

it includes 11 strong suction cups that keep it securely in place on any bathtub surface

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Solder Fume Extractor, Upgraded 4-Stage Filtration Soldering Smoke Absorber with 510 m³/h Strong Suction, 10-Speed & Remote Control Brushless Smoke Extractor for Laser Engraving, 3D Printing Camping Supplies This is not a bi-directionalProduct Features Strong Suction Power Powered by a 145 W powerful brushless motor, this solder fume extractor delivers up to 510 m h strong suction. It effectively absorbs laser engraving and 3D printing fumes, keeping the air in your workspace cleaner Highly Efficient Filtration VEVOR solder smoke absorber features an upgraded 4 layer filtration system, combining primary filter cotton with a 3 in 1 filter (HEPA Modified Carbon HEPA) to effectively