ขนาด
Kategori : O2Bubbles Aeration Hose , 
Merek : โอทูบับเบิ้ล
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- Suitable : Earthen pond, Hatchery, Nursery pond, Transportation, Fish tank, Microorganism fermentation tank, Plankton tank, Waste water treatment
Surface per length 5 cm = 5 x 5.5 = 27.5 sq.cm
Thickness 2.0 mm
Outer diameter 20 mm
Inner diameter 16 mm