Brady HT215 Absorbent Roll 21 gal, 15 in x 15 in Perforated Size, Bale, Gray, Spunbond 45DU58 Mixing Ratio Varies Mixing Ratio Varies 1dB change Optical Multimode return loss 35dB Typ Each) 21 gal pk Perforations Yes Fluids Absorbed Universal Sorbent Capacity 21 gal Material Polypropylene Color Gray Item Sorbents Absorbency Weight Light Volume Absorbed Range 20 to 29 gal Layers of Construction 2 Standards EPA 40 CFR 112 Trip and Fall Hazard Symbol Connector Type No Connector Surface Temp Max 480 Degrees F Foot Traffic Heavy Specialized Applications Work Station Number of Layers 2 ply Printed Message Think Safety Package Type Bale Color Pattern Gray Coverstock Material Spunbond Leak Resistant Backing No Product Type Sorbent Roll Adhesive Backing No Incluces Coverstock Yes Dimpled Yes For Use With Chemical or Metal Type Universal Dispenser Box No Includes Coverstock Yes For Use With Universal Application Work Station