Features: *Package contents: the package includes 20 pieces of 40 mesh stainless steel filter gasket seal rubber washers for shower heads, adequate quantity for you to use in long term *Good material: the washers are made of stainless steel and quality rubber, which is and sturdy, convenient for you to use *Size: outside diameter is 19 mm, inside diameter is 12mm, thick is 2 mm, and stainless steel is 40 mesh *Effective function: fits hand held hoses and some shower heads to filter sand and gravel to reduce the possibility of nozzle clogging, it can apply to shower head, tap, tube and other places *Design: the rubber washer with stainless steel filter mesh, serves as a flow restrictor can reduce the waste of water effectively Specifications: Color: Black Outside diameter: 19 mm Inside diameter: 12 mm Thick: 2 mm Fit for 1/ 2 inch tap head Quantity: 20 pieces Material: Stainless steel and quality rubber Package Contents: 20 x Rubber washer Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Package contents: the package includes 20 pieces of 40 mesh stainless steel filter gasket seal rubber washers for shower heads, adequate quantity for you to use in long term Good material: the washers are made of stainless steel and quality rubber, which is and sturdy, convenient for you to use Size: outside diameter is 19 mm, inside diameter is 12mm, thick is 2 mm, and stainless steel is 40 mesh Effective function: fits hand held hoses and some shower heads to filter sand and gravel to reduce the possibility of nozzle clogging, it can apply to shower head, tap, tube and other places Design: the rubber washer with stainless steel filter mesh, serves as a flow restrictor can reduce the waste of water effectivelySpecifications:Color: BlackOutside diameter: 19 mmInside diameter: 12 mmThick: 2 mmFit for 1/ 2 inch tap headQuantity: 20 piecesMaterial: Stainless steel and quality rubberPackage Contents:20 x Rubber washerNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.