Name: HDPE sovent Material: Plastic Specification: Can be customized Specification(mm): d1 L l1 l2 l3 l4 l5 l6 l7 l8 l9 110 740 310 180 270 265 90 190 60 135 90 160 730 310 170 245 300 100 210 80 125 110 Advantages: The Sovent fitting was developed to substantially increase the performance of a soil and waste drainage system, and thus eliminate the need for a separate vent stack and reduce the diameter of the stacks in high-rise buildings. The specially designed branch inlet fitting, which is covered by worldwide patents, reduces the pneumatic pressure fluctuations in stacks preventing the syphonage of traps.