Description Attwood Heating Cooling Ventilation COLLECTOR BOX, 4″ (FOR 1488 VENT) Attwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull. Ventilation hose (not included) twists into the bottom of the box to form a raised water barrier. Plastic vents are corrosion-resistant, will not discolor. All collector boxes and vents are designed for intake or exhaust and meet ABYC H-2 cross sectional area requirements. Collector boxes for use with 1488 stainless steel vent. With cut-outs for two 3″ I.D. or one 4″ wire-supported hose. Corrosion-resistant plastic. Description Depth Installation Hole Size For Use With Vent(s) Bulk Packaging For two 3″ I.D. hoses 5-9/16″ 3-5/8″ x 10-3/4″ 1488 1487A1 For one 4″ I.D. hose 5-9/16″ 4-5/8″ x 10-3/4″ 1488 1487B1 UPC: 022697148704
