Efficient CO2 Diffusion.
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Material: Aluminium & Acrylic & Ceramics
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Minimum working pressure: 0.15mpa(The head of the External CO2 Diffuser is made of ceramic through firing. Compared to ordinary built-in diffuser, it requires higher pressure to achieve the same effect.)
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2 sizes available, M for 12/16mm hose and L for 16/22mm hose.
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Diffuser inside is replaceable (replacement sold separately)