Such a filter screen can prevent debris from entering the pump, filter all impurities, and the normal operation of the pump. Easy to clean, corrosion resistant, so your equipment is protected. Application: Garden irrigation,aquarium,pump filter Specification: size: 19mm Material: Stainless steel + brass colour: As shown Package Contents: 1 x filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.