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Image 1 (above): 4” dia. x 12” long brushes provide first stage of mechanical filtration, standard media in second chamber is Japanese mat media in a “open cell” configuration. This view also shows water directional flow change baffle chamber.	Image 2 (above): View showing lower half of filter with tapering chamber lower half and drain plumbing.

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Image 3 (Above): Three chamber Osaka unit with lid off.	Image 4 (Above): Chamber with media support grate in place. Entrance port also in view

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Image 5 (Above): Internal view of Osaka’s tangential 4” gravity feed entrance port	Image 6 (Above): Top view of chamber with taper of lower portion, shelf for media support and 1 1/2” drain port flush with floor bottom

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Image 7 (Above): 4” inlet port, drain valves all located at one location	Image 8 (Above): External view of Tangential feed port with 4” SAE socket as an integral part of the port

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Image 9 (Above): Settling chamber attached to multi chambers	Image 10 (Above): Four chamber with vortex. Media upgraded to grey Matala set on their edge, allowing to pass though the “end grain” of the media. Each Osaka filter chamber can contain up to 1800 cubic inch of Matala Media when oriented as shown.