ขนาด
الفئات : O2Bubbles Aeration Hose , 
Brand : โอทูบับเบิ้ล
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- Suitable : Hatchery, Nursery pond, Transportation, Fish tank, Plankton tank,
Microorganism fermentation tank, Waste water treatment
Surface per length 5 cm = 5 x 4.5 = 22.5 sq.cm
Thickness 2.0 mm
Outer diameter 16 mm
Inner diameter 12 mm