Type A Marine Mushroom Vent Head[Search Related Products]
It can be fixed on the natural and machanical ventilate devices on the hypaethral decks of all sorts of ships for ventilation.
Technical conditions of ventilators' manufacture, experiment and check--accept accord with GB/T295-2000 Fungus-Shaped Ventilated Canister for Marine Use.
Note: The weight of ventilator doesn't include the weight of type-6.
Please fix supporting board when the distance between ventilator height and the deck is more than 900mm.