Common media materials include:

‌Polyester felt (PES)‌: Resistant to moisture and chemicals, suitable for temperatures up to 180°F (82°C)

‌Polypropylene (PP)‌: Ideal for wet or corrosive environments, max temp 180°F (82°C)

‌Glass fiber‌: High efficiency (up to 95%), used in cleanrooms, max temp 90°C

‌Aramid (Nomex)‌: High-temperature resistant, rated up to 400°F (204°C)