RIDGID Certified HEPA Filter and Fabric Pre-Filter for RIDGID HEPA Vacuum RV2400HF

New EPA regulation now in effect requires the use of a certified HEPA filtration vac, along with other specific cleaning techniques. This certified HEPA Filter is 99.97% efficient at filtering particulates down to 0.3 mic in size when used in conjunction with the RIDGID RV2400HF wet dry vac. The filter is water-resistant and durable for easy cleaning and re-use.|When used in conjunction with the RIDGID vac, RV2400HF, the vacuum system is HEPA certified for EPA cleanup under the remodel, repair and painting (RRP) rule|Cleans the air by filtering 99.97% of particles as small as 0.3 mic|Filter is washable and reusable|Combined use of this filter and the high-efficiency filter bag, WD3502, will extend the life of your HEPA filter