9AB31 in.28 in.PANEL DIMENSIONS (in.)PART NO. A B52VX-LP-L (Louvered Panel) 87 8452VX-SP-L (Solid Panel)52VX-LP-S (Louvered Panel) 82 7952VX-SP-S (Solid Panel)INTERIOR PANELa52-1343ARCHITECTURALGRILLEWALL SLEEVEHWTDGRILLE DIMENSIONS (in.)PART NO. H W52VX-SG-U44 2252VX-SG-L52VX-SG-C52VX-HG-U45 3 /8 22 3 / 452VX-HG-L52VX-HG-CWALL SLEEVE AND EXTERIOR GRILLEWALL SLEEVE DIMENSIONS (in.)LEGENDWALLTHICKNESS PART NO. H W D T5-8 in.52VX-SS-143 3 / 4 21 3 /8 26 952VX-RS-152VX-RH-18-12 in.52VX-SS-243 3 / 4 21 3 /8 30 1352VX-RS-252VX-RH-212-15 in.52VX-SS-343 3 / 4 21 3 /8 33 1652VX-RS-352VX-RH-315-20 in.52VX-SS-443 3 / 4 21 3 /8 38 2152VX-RS-452VX-RH-4RH — Rear Installation Hurricane SleeveRS — Rear Installation SleeveSS — Side Installation Sleevea52-1344LEGENDHG — Hurricane GrilleSG — Standard GrilleC — Custom PaintL — Prep for Paint ApplicationU — Anodized AluminumAccessory dimensions