3.5" Silicone Inspection Port

Silicone Construction, 3.5" diameter

• Patented Locking Ridges keep Sealing Flange Secure
• Watertight Seal without Screws, O-Rings or Caulk
• Fits Smooth, Embossed or Corrugated Jacketing
• Installs Easily without Special Tools
• Reduces Installation Time
• Cap Attached to Flange with Stainless Steel Lanyard to Prevent cap loss
• Rated from -130°F to 500F (1,000°F with our ThermoDisc Insulation properly installed
• Recommended for Minimum 7" Outside Diameter Insulation Jacket