attwoodmarine.com 44 VENTILATION Modular Vents Modular construction to accommodate any ventilation opening size by interlocking two or more center sections. End sections interlock to the center section for a finished appearance. • For 4" I.D. ventilation systems • End sections have two holes for #8 fasteners. For Use with Collector Box Section Color Installation Hole Size OEM Part # Part # 1348 (one or multiple) Center White 2-1/2" x 17-3/4" 1438F1 — Ends White 2-1/2" x 17-3/4" 1439F1 — 1438 7/8" 5-3/8" 19-1/8" 2-3/4" Collector Box For use with modular vents, with 4" I.D. wire-supported ventilation hose. • For two 4" I.D. hoses • Corrosion-resistant plastic. • Installation Hole Size: 2-3/4" x 18" For Use with Vent(s) Depth OEM Part # Part # 1438, 1439 5" 1348-1 — 1495B 3/4" 17-7/8" 3-7/16" Collector Box • For use with plastic louvered vent, with two 3" I.D. wire-supported ventilation hoses. • Box fastens to vent with screws or pop rivets, then vent fastens to the deck. • Corrosion-resistant plastic. For Use with Vent(s) Depth Installation Hole Size OEM Part # Part # 1495 4" 2-7/16" x 16-1/4" 1345-1 — Plastic Louvered Vents • Constructed of paintable, corrosion-resistant ABS plastic with no sharp edges. • For 3" I.D. ventilation system with 1345 collector box. • Install with #8 fasteners. For use with Collector Box Installation Hole Size Color OEM Part # Part # 1345 2-1/4" x 16" Chrome Plated 1495B1 1495B5 Black 1495A1 — Off-White 1495-1 — Use With
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