1981 Mack R Series Back Glass
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- C.R. Laurence®Duo-Vent Four Panel Big Rig SliderMack R Series 1981, Duo-Vent Four Panel Big Rig Slider by C.R. Laurence®. Size: 44" x 18". Glass Finish: Clear Glass. The CRL Duo-Vent Big Rig Sliders are the finest four-panel sliders on the market. It's attention to the details that..."Original" four-panel design gives the widest possible openingFully contoured powder-coated aluminum frame$379.49