These coloured UPVC water supply pipes are designed for aquarium plumbing, combining durability with a clean, professional appearance. Available in blue, orange, red, and purple, they make it easy to identify different water circuits such as filtration, heating, or UV systems. UV-resistant and manufactured to EU drinking water standards, they are safe for freshwater and marine aquariums, including fish and coral systems. Available in 25 mm and 40 mm diameters, each pipe is 2 metres long.