Before revision: For the cooking utensil, see colander or sieve In plumbing, a stainless steel strainer is a type of perforated metal sieve used to strain or filter out solid debris in the water system.
After revision: For the cooking utensil, see colander or sieve In plumbing, a sinkor mesh strainer strainer is a type of perforated metal sieve used to strain or filter out solid debris in the water system.