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PRODUCT DETAILS

Manufacturer's Product Description

Features:
• Available in one-way or two-way styles
• SUPER Heavy duty PVC plastic for long life
• NEW Design meets 1-300 National Venting Code. PREVENT rated at 144 square inches of venting area per unit.
• Exclusive one-way valve design to prevent moisture from re-entering the roof system
• Special insect resistant wire screen standard
• Strong cap permanently attached – vandal proof
• Pre-drilled flange for fastening to roof deck
• Handsome white finish