System No. W-L-4085 Cable tray with cables in drywall | ZAPP
Up to 6 in. by 24 in. steel or aluminum cable tray with max. 45% cable fill F-Rating: 2 h; T-Rating: 1 h Fire rated gypsum board/ steel stud wall according to U400, V400 or W400 Series with minimum 2 ½