Armstrong 1831A Fine Fissured Ceiling Tile, 24 in W x 24 in L, 16 PK MH100 U M PS Charger Maximum Run 50 ft Charger Maximum Run 50 ft Drum Style Fully Enclosed Machine Type Drain Gun Battery Platform M18 Machine Series MILWAUKEE Number of Augers Included 1 Charger Model Number 48 59 1812 Includes Batteries Yes Cable Lg 05% of Reading + 1 Digit Instrument Safety Rating CAT III 1000V Schools Green Environmental Attribute Product Contains a Minimum of 50% Post Consumer Recycled Content Recycled Content Range High Recycled Content (50% or More) Fire Performance Fire Resistive Tile Edge Type Square Lay In Light Reflectance Range High Light Reflectance (83% or More) Resistance Properties Fire Resistive Recycled Content 73 Percent