This Marshall Tufflex PVC round conduit box in white with thread size M4 is perfect for surface mount installations. The 25mm diameter box is made of super high impact PVC-U, ensuring that it is dust, water and rustproof. It is suitable for use in electrical nonmetallic tubing (ENT) and can withstand temperatures ranging from -45°C to 120°C. The press-fit connection type makes installation easy, and it comes with a gauge of 25mm. This conduit box is an accessory type of conduit fittings and is made in the United Kingdom. Buy this Marshall Tufflex 25mm PVC round conduit box for your electrical installation needs today!