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الفئات : O2Bubbles Aeration Hose , 
Brand : โอทูบับเบิ้ล
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- Suitable : Can transfer pure oxygen through diffuser hoses
Surface per length 5 cm = 5 x 3.5 = 17.5 sq.cm
Thickness 2.0 mm
Outer diameter 13.5 mm
Inner diameter 7.5 mm
* Optional : Special Formula - Antimicrobial