Product Selection Guide OPERABLE WINDOWS - PRODUCT COMPARISON EFCO KAWNEER OLD CASTLE BUILDING ENVELOPE US ALUMINUM YES SSG Vent Outswing Vent Window for Storefront and Window Wall WV-410 / 430 Vent GLASSvent™ (Storefront) ZS2750 Series 7500 YES SSG TU Vent Outswing Vent Window for Storefront and Window Wall with Thermally Broken Sash and Frame. WV-410 / 430 Vent GLASSvent™ UT 30P Series 7500 YES SSG TUH Vent Impact Resistant Outswing Vent Window for Storefront and Window Wall with Thermally Broken Sash and Frame. - GLASSvent™ UT ZS-2750 Project Out StormMax® IW7600 YOV SSG Outswing Vent for integration into Curtain Wall Framing - GLASSvent™ (Curtain Wall) YFW 400 TU 4 " Deep Thermally Broken Fixed Windows Series 660 (T) 8410 TL Signature Series Fixed Series 8100 Series 6621 8410 TL - - YKK AP PRODUCT YFW 400 TUH 4 " Deep Thermally Broken, Impact Resistant and Blast Mitigating Fixed Windows Page-34 Signature Series Series 7500/7600 ZeroSightline-HT PS-1000-08 | Effective Date: April 28, 2020