vents

we need to install vents on deck, but we are still looking to find where they wont be in the way. any picture of yours or ideas? and we have one hole on port just besides the guardrail for a vent but cannot find the correct size to fit it in... need help.

All, I just got a lovely pair of vintage WIlcox Crittenden bronze tank vents, the beefy ones that pass through the hull with a large nut on the back to hold them secure and I'm soliciting suggestions as to what to use in them to prevent bugs and such form entering the tank through them. They...

Question barrage time ... Do Nicro solar vents actually pump noticeable volumens of air ? How many hours after night fall are they still venting ? How many years will the batteries last and are they affordably replaceable ? Can they be turned off from inside ? Can they be closed/sealed...

Has anyone used stainless steel cowl vents as replacements for the original rubbery-plastic ones? The vents on our 1984 E38 are looking terrible but I'm wondering if stainless is a bit too much on an Ericson. Andy