Stainless Steel Louvered Vent - by ATTWOOD Select (See Table Below):Use with Collector Box 1487A, 1487B Dimensions 3-1/4" x 10-3/8" 1488-1 1488-5 40HP E40RENM 1992 Gearcase

40HP E40RENM 1992 Gearcase

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Stainless Steel Louvered Vent - by ATTWOOD Select (See Table Below):Use with Collector Box 1487A, 1487B Dimensions 3-1/4" x 10-3/8" 1488-1 1488-5 40HP E40RENM 1992 GearcaseAttwood 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. All collector boxes and vents are designed for intake or exhaust and meet ABYC H 2 cross sectional area requirements. All welded 304 stainless steel construction with polished finish. Install with #8 screws. Requires collector box