marinco.com VENTILATION 101 Clam Shell Vents • Ideal for ventilation needs where a taller vent would foul lines or restrict crew movement • Work well as stern mounted ventilators for engine compartment • Can be used for cabin ventilation with dorade boxes • Flexible PVC construction • Small clam shell dimensions - I nner : 2-1/2" H x 4-1/2" W x 5" L Outer: 2-3/4" H x 6" W x 5-1/2" L • Large clam shell dimensions - I nner : 3" H x 5-3/8" W x 6" L Outer: 3-1/2" H x 7" W x 6-3/4" L White Snap-In Deck Plate • Includes Snap-In watertight cover • Use with any Marinco® Snap-In vent system • N10863DW requires a 3-3/4" diameter hole cutout • N10864DW requires a 4-3/4" diameter hole cutout Plastic Interior Trim Ring • Finishes off interior installation of vent • Can be installed in decks between 1" and 2" thick • Available in 3" and 4" sizes • White plastic construction • Note: Interior trim rings are not compatible with threaded deck plates Thru Bulkhead Hose Adapter • For termination attachment of hose to bulkhead • For attaching hose to cowl vent • Can be used with Snap-In or threaded deck plates • For use in decks or bulk heads of more than 1" thick THRU BULKHEAD HOSE ADAPTER BILGE HOSE DECK PLATE Description Part # Small N10873 Large N10874 Description Part # 3" N10863DW 4" N10864DW Description Part # 3" N10866 4" N10867 Description Part # 3" N10869 4" N10870
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