Rectorseal 85054 Slimduct 3.75" Fixed Offset 2" L, Black 100Rectorseal 85054 Slimduct Lineset Covers offers strength and longevity with a professional aesthetic. Available in 3 sizes and colors, Slimduct Lineset Covers accommodates numerous applications including single or multiple exposed linesets. A robust assortment of fittings ensures each system is finished with a professional touch. Features The Fixed Offset raises or lowers the lineset duct with a 2" step up or down, based on the surface disruption of