Dri-Eaz Velo HEPA Pre-Filter (20 Pack) Base UOM:20PK In addition to the titanium

In addition to the titanium

Dilution Ratios: 1 scoop/Ltr     RTU pH: 4-4

Dry up to 22 linear feet (as packaged) works with high-pressure axial fans and air scrubbers

Directions for use:

10m x 4m Containment Sheeting

Dri-Eaz Velo HEPA Pre-Filter (20 Pack) Base UOM:20PK In addition to the titaniumPre filters extend the life of your VELO's HEPA filter Increase your Velos HEPA filtration capability by replacing your prefilter whenever dust accumulation is visible. 20 filter sleeves per pack. SPECIAL INSTRUCTIONS: When using your Velo or Velo Pro HEPA Attachment for conditions where dangerous contaminants may be present, both the HEPA filter (F519) and the Prefilter (F520) should be replaced after each job to help prevent cross contamination.