Filters Discs also named wire mesh circles, screen packs,  is made of all kinds of wire mesh, been cut and desired into different shape and sizes.

Aluminum Insect Screen

Materials:Al-mg alloy,pure aluminum

Weaving: Plain weave.

Purpose：This mesh will keep out flies, wasps, bees, mosquitoes and other insects but not midges，The mesh provides excellent light transmission and allows good air-flow.