Made of polypropylene, the round wall washer is durable, corrosion-resistant and waterproof, which is not easy to deform or break, has good insulation and can be used for a long time.
Made of polypropylene, the round wall washer is durable, corrosion-resistant and waterproof, which is not easy to deform or break, has good insulation and can be used for a long time.