NEW DOUBLE GLAZED Black Stacker Slider with opening window 2 H x 2.4 W #21981 x BRAND NEW, BLACK, DOUBLE GLAZED, Stacker Sliding Door with an opening window (both doors slide to reveal an opening of approx 1. 3m) Box size 2000 mm H x 2400 W or 2m H x 2. 4m W Made for High Wind zone. R value is 0. 26 Comes with keys Manufactured in NZ by a reputable NZ company. These are NOT seconds! Head flashings included. Stock code #2198 Also matching Brand New Black DG Ranchsliders & Windows available (not included in this listing) : 2 x