Size: inlet with Outer Dia: 5mm suit for 4-5mm airline tubing; (You can find the measuring details which are marked in Photo).
Please check if it is the correct size before paying!
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M01
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Ball Dia: 20mm(0.8inch)
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M02
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Ball Dia: 25mm(1.0inch)
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M03
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Ball Dia: 30mm(1.2inch)
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M04
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Ball Dia: 40mm(1.6inch)
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M05
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Ball Dia: 50mm(2.0inch)
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M06
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Disc Dia: 40mm(1.5inch)
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M07
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Disc Dia: 60mm(2.3inch)
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M08
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Disc Dia: 80mm(3.1inch)
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Safe for salt and freshwater aquatic environments.
Promoting the circulation of water, creating continuous water flow. Produces an abundance of fine bubbles, ideal for fish, betta, shrimp and aqua creatures. It fits most aquariums, fish tanks, pools, and other similar occasions.
Material: good quality plastic and other safe material, durable, odorless and environment-friendly. Soak the air stone in water for 2-3 hours before use.
Focus on Customer: We care about purchase satisfaction of customers. If you have any questions while pre-order, in-transit, or using, just feel free to contact us, we will surely offer you a satisfied solution.