Black Lightshield EVABarrier 3mm ID x 6.35mm OD x 12m Roll - Double Wall EVA The inner barrier is made

The inner barrier is made from a proprietary polymer that has excellent gas barrier and now with LightShield technology an excellent UV and Visible light blocking properties

Just make sure if it's got refrigerant lines you know where they are

Product Certification Body #0216

5 Year Warranty on All Mini Kegs & Tapping Ball Lock Head

Black Lightshield EVABarrier 3mm ID x 6.35mm OD x 12m Roll - Double Wall EVA The inner barrier is madeAlgae will always thrive if sunlight and an exposed nutrient solution is available. That is why it is crucial to use the correct hosing when it comes to hydroponic systems. Prevention is the best cause of action when it comes to algae control. EVABarrier LightShield Black should be your number one choice of hosing when setting up your indoor or outdoor growing space. UV stable hosing that will not kink or burst under normal use. EVABarrier Hosing