Orsing HygoFormic Bio suction adapters are made of 100% sustainable, bio-based polyethylene (PE) made from sugar cane and are 100% recyclable. The main focus is on saving and reducing the use of fossil resources and the level of greenhouse gases. The adapter is disposable and cannot be autoclaved. Used for HygoFormic spiral suction in 6.5 mm/11 mm suction tap.