Excellent 
4mm Air Line
Regular price
£0.49
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4mm Air Line Tubing
• 4mm Silicon Air Line
• Easy to cut to length with standard scissors
• Ozone, nutrient salt and UV resistant
• Sold by the metre length
• Compatible with all of our air pumps and air stones
Need some help choosing an air stone for your air line? Check out our handy blog article and video.