Unique Fire Stop Products Classified UL Systems data for this product:

• Split Sleeve-Concrete 2 Hr UL W-J-3110
• Split Sleeve-Concrete 4 Hr UL W-J-3112
• Split Sleeve-Drywall 1& 2 Hr UL W-L-3232
• Split Sleeve-Drywall 3 & 4 Hr UL W-L-3234
• Split Sleeve-Vertical Concrete 2 & 3 Hr UL F-A-3019
• W-L-3273 Sleeve for 3 or 4 hr walls / 3 hr T rating
• Leakage ratings for our Systems: UL W-L-3122d

Other Classified UL Systems data for this product:

• 3M Split Sleeve System
• Hilti W-L-0023 (empty 2 or 4 inch sleeve systems)
• Hilti W-L-3122 (cable bundle)
• Hilti W-L-3273 (3 or 4 hour walls)
• Hilti W-L-3282 (1 or 2 hour walls)
• Nelson Split Sleeve System Engineered System # ES2090B