| Application |
Optical instruments, cameras, displays |
HVAC systems, water treatment, light sources |
| Mounting |
Integrated into device housing |
Removable cartridges, cassettes, or frames |
| Spectral Range |
Narrow bands (e.g., UV-cut, IR-pass) |
Broad or customizable (e.g., HEPA, UV sterilization) |
| Lifespan |
500–10,000 hours (dependent on material) |
3–12 months (water/air filters) |
| Maintenance |
Minimal (factory-replaced) |
User-replaceable cartridges |
| Pressure Drop |
Negligible (no airflow restriction) |
Varies (e.g., 0.1–2.0 inches H₂O for air filters) |
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