To customers: life is full of surprises. Package Includes: 4 x Filters Item Name: Filter Material: Stainless Steel Features: Stable Structures, Uniform Weaving, High Strength Size Details: L: 30cm, W: 21cm Specifications: With a uniform woven wire mesh structure, this screen has high tensile strength, is rust and corrosion resistant, easy to maintain and resistant to high temperatures. You can easily cut any shape of screen, such as round, rectangular, triangular and other complex shapes. With this filter being universal, you can use it as the bottom of your stove/grill or use it as a drain screen in containers to clean fruit etc. It is constructed of stainless steel material. The length of this product is 30cm and the width is 21cm. Designed to cover the vent area for your attic vents, bathroom vent, floor vents, drains, weep holes, dryer vent, pipes, wood burning stove vent, gas fireplace flue, refrigerator exhaust, heater vents, exhaust fan vents etc. Prevent wasps, mouse, rodents, spiders, snakes from your area. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. We strive for excellence. And hope you have a nice day!