Household: It can be used to cover some small square or rectangular openings at home, such as small vents, access ports of some electrical equipment, etc., to prevent dust and foreign objects from entering, and at the same time, because of its stainless steel material, it has a certain degree of aesthetics and durability.
Industrial or commercial: in some of the protection requirements are not extremely high, but need a certain strength and corrosion resistance of the equipment or facilities used, such as some small equipment shell openings protection, commercial premises in some decorative or functional square holes cover, and so on.