Shop › 4” Strainer lead free bronze Image 1 of 1 4” Strainer lead free bronze $900.00 Strainers are designed to be used in potable cold water systems. Working pressure should not exceed 150 PSI.Full Spec Sheet Here. Quantity: Add To Cart Added! Strainers are designed to be used in potable cold water systems. Working pressure should not exceed 150 PSI.Full Spec Sheet Here.