E-Z UP Recreational Half Wall &ndash; Steel Grey - Fits Angle Leg 12' E-Z UP Instant Shelters Half Wall Only. Shelter Sold Separately Feature NEW Truss Clips for Quick Attachment and Stylized Reinforcements Includes Protective Carry Bag Fits the Vista 12' Model Only Half Wall Meets CPAI-84 and NFPA-701 Fire Resistant Requirements & Provides UV Protection.