DescriptionMade of acrylic and stainless steel materials, it is high grade and rust resistance.Use for filter replacement accessory , which will be convenient and effective on prevent stopping up. If you have fish tank or aquarium in home, it can help you a lot.Features-Material: acrylic, stainless steel-Size(S): 8.00X2.50X2.50cm/ 3.14X0.98X0.98in (Inner diameter 12mm/0.47inch)-Size(L): 8.00X2.50X2.50cm/ 3.14X0.98X0.98in ( Inner diameter 16mm/0.63inch)-Easy to install, just need to apply this filter protective cover directly onto the water inlet of your filter.-It is very suitable for aquarium, fish pond, aquarium purifier and other related fields.-Easy to clean, you can use a brush to clean the surface dirty on this mesh cover.-The whole appearance design of product is simple and generous.-Carefully selected stainless steel and acrylic material has high strength and rust resistance.