About this item

• Disposable pre-filter bag helps prolong the life of the HEPA cartridge filter
• This HEPA Cartridge Filter Assembly Contains: 1 HEPA Cartridge Filter 1 High Efficiency Pre-Filter 1 Cartridge Filter Retainer 1 Flat Rubber Washer
• Compatible with Vacmaster Industrial models VK1011SIWTH and VK811PH
• This replacement HEPA cartridge filter has been individually tested and certified to have a minimum efficiency of 99.97% at 0.3 microns in accordance with IEST-RP-CC001 test requirements and meets the EPA's Lead Renovation, Repair and Painting (RRP) requirements.