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Cobalt's Premium Airline is available in a wide variety of eye catching colors ideal for any aquarium use. Made from flexible plasticized PVC, the airline is kink resistant and remains flexible after long periods of use. Suitable for use with air pumps, dosing systems, CO2 reactors and injectors, and more. Standard 1/8" ID fits all standard air pump fittings.
To use, simply measure out the length needed, adding 2-3 inches (5-7 cm) extra, cut, and attach ends to the pump and air-driven device. A check valve is recommended for all setups.