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

• Smooth Penetrator-Concrete 2 Hr UL W-J-3109
• Smooth Penetrator-Drywall 1 & 2 Hr UL W-L-3231
• Leakage ratings for our Systems: UL W-L-3122d; W-L-2197 (innerduc or plastic pipe)

Other UL Classified Systems data for this product:

• 3M Smooth Penetrator System
• Hilti W-L-0023 (empty 2 or 4 inch sleeve systems)
• Hilti W-L-2197 (innerduct)
• Hilti W-L-3122 (cable bundle)
• Hilti W-L-3282 (1 or 2 hour walls)
• Nelson Smooth Penetrator System Engineered System # ES2090A