Includes two (2) VF3501 Type C High-Efficiency Dry Pick-Up Dust Bags for RIDGID Wet/Dry Vacs., Fits RIDGID Wet/Dry Vacs 11 to 17 Litres (3 to 4.5 Gallons). Only fits models with inlet in vac drum. Also fits HD0600 22 Litre (6 Gal.) model., Improved Filtration - Provides an added layer of filtration to capture dust and fine particles., Easy Debris Disposal - Slide in collar design makes debris removal simple. Just remove the bag and discard., Permeable Material - Maintains airflow and suction performance.