.5" pump input bulkhead
thingiverse
This bulk head is made to secure a .5" pvc pipe with hole in the side of your bio filter. This was drawn as part of a bio filter set along with a screen, large bulkhead, motor mounting bracket and a plug. I recommend using a neoprene sheet (http://www.amazon.com/Neoprene-Sheet-Gasket-Black-Thick/dp/B0075ZMFME/ref=sr_1_8?ie=UTF8&qid=1426365126&sr=8-8&keywords=neoprene+rubber+sheet) as the gasket material. You will also need some .5" pvc, a couple elbows and some glue.
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