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04/11/2019, 11:39 PM
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Registered Member.
Join Date: Mar 2019
Posts: 263
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Emperor 400 versus 400b ? Whats the diff
I need another hob for mechanical filtration.. i lile the suction these penguin and emperor filters have... but im noticing alot of the 400s are called 400b.. whats the difference between the 400 and 400b ?
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