... resistant 4.Delivery need 25days Good Insulativity pipes thick wall pvc pipe 1,Size:32,40,50,75,110,160, ... shock.2. Dampproof and Acid and alkali resistant: our pipe has the good functions of Dampproof and Acid and ... Convenient Installation: It is convenient to cut off the pipe under the 32mm diameter.Using special spring insert to the ... to the worker request. Good Insulativity pipes thick wall pvc pipe