These were surplus from a clean room manufacturing process.
They may be able to be used as a portable ventilator filter, please review the specifications.
Solberg F-HE14P-050 Hood Inlet Filter 6" Diameter Steel 1/2" MNPT HEPA
New unit
- Temp (continuous): min -15° F ( -26° C) max 220° F (104° C)
- Filter change out differential: 10"-15" in. H2O above initial delta P
- Less maintenance
- More durable than paper media
- Moisture resistant
- Reinforced with epoxy coated steel wire on both sides of cloth
- Dust loading capacity is increased 40 % - 50% with prefilter
- Optimal sealing surface & design
- Maximum oversize required to minimize pressure drop
- 99.97% removal efficiency standard to 0.3 micron