https://www.iek.md/product-category/05-sistemy-dlya-prokladki-kabelya/05-02-truby-plastikovye/05-02-01-truby-plastikovye-gofrirovannye/05-02-01-03-truby-plastikovye-gofrirovannye-dvustennye-pnd/05-02-01-03-01-truby-gofrirovannye-dvustennye-pnd/