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Aquarium Choice 6 pieces CO2 DIY reactor bottle cap Fish Tank DIY Quick Twist Bottle Cap with 118 INCH long hoses
Our product contains 6 pieces CO2 diy reactor bottle cap and 118 INCH long hoses.
The 6 pieces CO2 diy reactor bottle cap is made of high quality plastic material which will not create harmful material for fish and plant and the 118 Inch hoses is silicone material which also is no harm for fish and plant.
The 6 pieces co2 diy reactor bottle cap can be connected with the hoses with 4mm inner diameter and 6mm outer diameter
The 118 inch long hoses'inner diameter is 4mm and the outer diameter is 6mm.You can use the hoses to conncet to the co2 bottle cap and do not need to order hoses from others.