Better bulkhead?

[Z Trip]

I am making a diy filter for my pond this year and for the returns, I am a bit confused about what kind of bulkhead to use. I order everything off of the same website and they offer two types. This is a picture of a regular bulkhead :

And here is a picture of a "pond" bulkhead. It is a lot more money. Just wondering if it is worth it and it anyone can tell me why I should use it.

 

[qu13tst0rm]

Online aquarium/pond stores are limited on bulkhead offerings.
What you need to know is: 1. What size pipe you are going to use. 2. Whether you want to glue the pipe or screw it to bulkhead fitting.

Here is manufacturer HAYWARD FLOW CONTROL website: http://www.haywardflowcontrol.com/ctg/Bulkhead-Fittings_10202_10053_-1_21003_C.htm
From what I have read, get the EPDM gasket.

This site hase the best pricing I can find so far: http://www.bigbrandwater.com/bulkheadfitt.html

 

[houie925]

Either one will work on thin materials but the threaded portion onto which the nut is threaded is very short on the pond type. I have one of the pond type on my rubbermaid pond filter and it works fine, it's what was available locally at the time I needed it. Only benefit I saw is you can tighten the pond type by hand much better than the standard ones, which seems like it would be a nice feature when you are using it on a pond liner rather than a rigid material.