Double-layer corrugated pipes for the ground (QRK FLEX) - these are specialist products, which are made of high quality materials. Thanks to their specially designed construction, our two-layer corrugated pipes (QRK, FLEX) are resistant to various external factors. They are characterized by high resistance to both compression and cracking. Our range is available in several different sizes and coil lengths in linear meters. We invite you to get acquainted with the current offer of Elektroplast.