Feature●Cost effective & simple●Pop-up nylon speaker cover protects loudspeakers against insulation fibers & dust particles●Keeps voice coil assemblies & speaker components clean●Individually packaged●Dim: 7"H x 14" dia●Significantly Improves Installations For Longer Periods Of Time●1 Size Fits All; Included components: product, manualDescription OEM SYSTEMS COMPANY ISF-147 Pop-up Nylon Ceiling Speaker Protective Cover (Single) BLACK