This kit boosts the performance of your Seiko/HP printer equipped with a bulk system, by removing the air from the ink. The degassing technology is based on state-of-the-art membrane technology found only on grand-format industrial UV printers. You can continue using the same bulk ink and enjoy the great print quality and stability. Forget about banding, wasted media and ink. Frequency of print head cleaning can be reduced. The kit includes 2 degassing modules, a vacuum pump, a vacuum gauge, tubing and fittings.