Merit Vienna Nasal Speculum, Sklar. Adult, Stainless Steel. The Merit Vienna Nasal Speculum is an intranasal instrument used to retract and expose nasal tissue for examination. Merit instruments are Sklars office-grade line of products and most commonly utilized for routine and in-office minor procedures. These cost effective, high quality instruments are crafted from Pakistan steel and come with a 10 year guarantee. Merit instruments deliver an economical solution for physicians and practices that require quality, durable instruments. This product is the adult size speculum.