Masonry VenTubes (Package of 12)

<p>VenTubes are precision-crafted, hollow cylinders made entirely of 304 series stainless steel, ensuring strength and longevity. Each tube measures 1/2" in diameter and 4 1/2" in length, featuring a welded wire screen on the front to prevent insect intrusion.</p><p>Designed to provide cross ventilation in chimneys with large cavity areas surrounding the flue liner, VenTubes help mitigate moisture damage caused by condensation. By allowing up to 85% of condensation to escape, they reduce the risk of efflorescence, spalling, and other water-related damage.</p><h3>Key Features:</h3><ul><li><strong>Cross Ventilation for Large Flues</strong>: Ensures proper air circulation to prevent moisture buildup.</li><li><strong>Prevents Moisture Damage</strong>: Protects chimneys from condensation-related issues.</li><li><strong>Helps Prevent Efflorescence &amp; Spalling</strong>: Reduces unsightly and harmful masonry deterioration.</li><li><strong>Wire Screen Guard</strong>: Blocks insects from ente