The Glasfloss line of Quad and Cube filters offers medium efficiency in a wide range of applications. The rigid, self-seal design of these filters helps prevent air bypass and allows the filters to operate under adverse conditions, especially where high humidity is present.

The Quad filter features a two-staged 100%, non-woven polyester media for maximum efficiency and service life. The Cube filter features the same two-stage media as the Quad filter and is available in regular, internal supported and unitized construction.