Zurn’s 3-inch barrier trap seal device for floor drains is for use with drains to minimize trap evaporation, reducing it by up to 95%. The barrier trap seal device is designed for new construction and for retrofit. Backed with a 1-year warranty, building owners can rest easy knowing the durable construction will stand the test of time against extended wear and tear.

• Durable construction stands up to tough environments
• Reduces trap evaporation by 95%
• Reduces odors from emitting out of drain
• Listed with ASSE, IAPMO, and ICC
• Complies with ASSE 1072-2007
• Comes in 2-inch, 3-inch, and 4-inch outlet sizes as well as 3.5-inch for shank installation
• Can be added to most drains as a suffix option -TSP
• 1-year limited warranty
• Reduces Trap Evaporation by 95%
• Reduces odors from emitting out of Drain