Numatic HEPA Module for NVD750WMD750

A HEPA cartridge filter self contained in a steel housing, offering 0.5 micron @ 99.997% filtration efficiency. Upgrades these machines to "M" class filtration standards. Simply clipped between the power head and collection drum. Used with the seperate primary pre-filter mounted within the collection drum. For maximum operator protection (NVD750) use the HepaFlo bags to ensure easy and safe emptying.-bg