Heavy Duty HEPA Filters For 3931 Series Dust Extractors Pack Of Two With Nearly 100 Percent Particle Capture, Easy Snap-In Cartridge Design, Wet Vacuum Friendly, Keeps Suction Strong And Clean

Pack of Two Heavy-Duty HEPA Filters for 3931 Series
✔️ 99.997% filtration at 0.3 microns, snap-in cartridge design

These high-efficiency HEPA filter cartridges are designed for dust-extraction systems and are commonly used with 3931 and 3931A vacuum cleaners to trap fine dust and maintain suction performance.

✅ 2-pack HEPA filter cartridges for 3931/3931A
✅ 99.997% efficiency at 0.3 microns
✅ Square filter geometry minimizes dust trapping
✅ Maintains high suction power
✅ Easy snap-in cartridge design
✅ Not for use when vacuuming wet materials

💡 What is a heavy-duty HEPA filter cartridge used for in industrial dust extractors?

These filters help capture fine dust while keeping suction strong and air clean.

- Sealed cartridge design enables quick, tool-free swaps - 0.3 micron particle capture with 99.997% efficiency - Compatible with 3931 and 3931A vacuums for reliable performance ✝️