This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB Siphoning device for floor aquaria at LucsurMer shown in section .jpeg check categories August Siphoning device for floor aquaria at LucsurMer shown in section wall of aquarium cana through wall codk perforated leadbulb removable standpipe for surface overflow siphon air valve with scres outlet into floor channel Subject