软式透水管单向塑料土工格栅购买的是放心

                                           软式透水管产品规格

  规格       钢丝直径mm      弹簧钢丝间距卷/m    内径mm     标准长度m    过滤土工布mm     尼龙线D

   50            1.8                        50-55                    8-50          180              0.1-0.38             300-1200

   80            2.5                        35-40                    78-80         100             0.1-0.38              300-1200

  100           3                           30-35                    98-100        60              0.1-0.38              300-1200

  150           3.5                        20-25                     148-150      40              0.1-0.38              300-1200

  200           4.5                        15-19                     198-200      30              0.1-0.38              300-1200

  300           5                           14-17                     298-300      18              0.1-0.38              300-1200