For use with the following vents (1494, 1423, 1424,
1425,1426 or 1496A), with two 3" I.D. wire-supported ventilation hoses. Corrosion-resistant plastic. Ventilation hose (not included) twists into the bottom of the collector box to form a raised water barrier. All collector boxes are designed for intake or exhaust and meet all ABYC requirements.