Rectorseal 85035 Slimduct 3.75" 90° Vertical Ell, Black 100Rectorseal 85035 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 Vertical Elbows change the direction of the lineset vertically, offering flexibility during an install. Typically