... Case QuantitiesUsed to seal duct work. General purpose packaging. Used for temporary holding. Mesh: 70,50,35,27mesh Specification: 27mesh x ... white ,brown. Available in a choice of 8 standard colours. What's more, Customized specification, color, designing, packing are available and ... welcomed. we are according the customer's requirment to do the size and the packingAny other question ...