DuraVent DuraTech 20" Diameter Firestop Radiation Shield - 20DT-FRS

This unit requires venting pipe with an inner diameter of 20 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.

Features:

• Size: 20 Inches
• Adjusts to cover framing
• Fits on underside of ceiling
• Use in ceiling/floor penetrations other than those including ceiling support