Factory Original Replacement Siemens Acuris Life, Artis, and Cielo Earmold Tube LifeTips, available in ten (10) packs of earmold tube LifeTips. These come in a pack of 'ten(10) Earmold Tube LifeTips' sizes Medium (8mm) or Large (10mm). On the order form is a comments section. Please let us know any particulars as to size of tubes and domes when ordering.