Can some tell me what reef octopus skimmer this is?

[90gallon4me]

I just got this and was wondering what model this is and if it can go in my sump. I think it's a 110 external? The top of it is 5" across and 4.25 tall and 22" total hight.
<fieldset class="gc-fieldset">
<legend> Attached files </legend>

>

class="gc-images" title="20170126_181240.jpg[/IMG] style="max-width:300px" /></a>

>

class="gc-images" title="20170126_181247.jpg[/IMG] style="max-width:300px" /></a> </fieldset>

 

[bcavalli]

You can check the pump size and generally it's easy to figure out from there.

 

[snowmansnow]

looks like an old 150?

 

[porpoiseaquatics]

It might be an old DNWB-110 which was 4" diameter. The DNWB-150 was 6" diameter (I'm pretty sure). They were designed to run internal or external.

Here's the 150 manual for comparison: