The Importance of a High-Quality Basket Strainer in Your Plumbing A well -maintained basket strainer protects your plumbing system from clogs and blockages, as well as solid particles. This not only helps your water flow smoothly, but also prolongs the life of your plumbing infrastructure. Basket strainer s trap foreign objects before they can cause damage to your plumbing system. This prevents costly repairs and reduces the risk of an emergency in your plumbing system.