Aria® airless dispenser combines a pistonfollower system with a metalfree fluid pathway. This allows dispensing of very viscous products while avoiding metal contact. With all metal components outside the fluid pathway, there is no possibility of product contamination and less costly preservatives may be used.the arial airless® dispenser offers both performance and aesthetics. It uses the aria® dispenser engine, which has a successful track record since its introduction in 2003. An overcap, piston follower and base cover complete the package. The aria airless dispenser is an attractive packaging solution for oxygensensitive, highend cosmetics. Highlights low output dispenser with piston follower airless system designed for a wide variety of highviscosity, oxygensensitive cosmetic and personal care products aesthetically pleasing with a cylindrical bottle and matching overcap optional valvehead seals orifice and eliminates drying and discoloration hot stamping and metallization are available.