25m coil 1/2" normal gauge 25 meter coil of 1/2" normal gauge €13.20 Temp out of stock. Check back soon. Gripmax Irish standard Hydrodare pipe IS134 25 meter coil of 1/2" normal gauge. Made from Virgin material for true smooth wall. Smooth wall gurantees seal 1st time every time. Use with Gripmax fittings for Manufacturers warranty & Peace of mind! Gripmax Hydrodare is the most usable pipe type available on the market. Alot more workable than BLUE mdpe. Gripmax Hydrodare also comes with UV PROTECTION built in.