To locate the blockage point of the pipe for customers, Noyafa brought in NF-5120, with replaceable waterproof probe,customers can easily locate the blockage point for pipes underground or in the wall. Blockage locators from Noyafa is different from items in the market with same function.with 5 free probe heads and self checking function, NF-5120 is easy to operate and maintain.Bringing convenient to customers in usage and also repairing.