airflow in enclosed mh fixtures

[balistidae]

I am replacing a fan and am just curious on airflow direction in an enclosed 250mh fixture. Should the air be pushed out or sucked in generally? There is only 1 fan. Thank you!

[Pescador]

I would have the airflow out of the fixture to keep the salty air out.

[balistidae]

thats what i thought too but i finally got through to their customer service and they told me to push air in, seems weird to me

[Myka]

I would also have it sucking the air out.

[fkshiu]

Does the fixture have slots on top? If so, pushing the air in and allowing convection to extract the rising hot air out the top would make the most sense.

[balistidae]

yes there are two other grilles on top of the fixture