Description Made 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. Package list: 1 x Filter Protector