Nilfisk AERO 21 5.28 Gal. Wet Dry Industrial Vacuum, 1.68 HP Safety com FDA Compliance: FDA Compliant easy mounting hardware com FDA Compliance: FDA Compliant Family Model #: 4 Kill Claim (%): 99 Brand Name: Staples Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Square Envelope Number: #10 Envelope Pack Size: 500 Per Pack Envelope Paper Finish: Wove Envelope Size: 4 1 8" x 9 1 2" Envelope Type: Business Envelope Window Location: None Height in Inches: 4 13 Capacity in Gallons: 5 The Push and Clean filter cleaning system prevents loss of performance and increases productivity during your cleaning task