Product Type: Atomstack F30-B Air Assist AccessoriesAirflow Rate: 10-30L/min adjustable airflowCompatibility: All ATOMSTACK Engraving machinesFeatures:2. Durable and Non-clogging Design: After considerable market feedback, the air assist has been upgraded with a non-clogging design that extends the service life of the pump body.4. High Compatibility: This air assist accessory can be adapted to all ATOMSTACK engraving machine models.1x Atomstack F30-B Air Assist Accessories