Advance®/Nilfisk® ReliaVac™ 12HP or 16HP Replacement Vacuum Bags (OEM# 56637120, 660631, 660636) 12/3 Packs:



  • Fits Advance®/Nilfisk® Reliavac 12HP or Reliavac 16HP                                          (OEM# 56637120): GK-F&G
  • 3 bags per pack / 12 packs per case (36 bags)

Green Klean® Replacement Vacuum Bags use the highest quality Micro-Plus filter media. Designed specifically for commercial use, they are always equal to, or exceed OEM quality. Better filtration means cleaner air, less dusting, and longer secondary filter life. Each bag is printed to easily identify the vacuum it fits. Clean with Confidence, Replace with Green Klean®


Green Klean® Superior Quality Replacement Vacuum Bags are specifically designed for the Janitorial Professional and are backed by the Green Diamond Warranty. Made from the highest quality materials to achieve filtration efficiencies up to 99.9%.

  • Fits Advance®/Nilfisk® ReliaVac 12HP, ReliaVac 16HP (OEM# 56637120): GK-F&G
  • Designed for commercial use; equal to/exceeds OEM quality
  • Exclusive Green Diamond Warranty
  • 3 bags per pack / 12 packs per case (36 bags)

Replacement Brands

Vacuum Bags & Filters Flyer

Green Diamond Warranty

Green Klean® Green Diamond Warranty