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Usage:
pre-efficiency air purifier filtration for absorbing smoke, dust and other 0.5um particulars
Feature:
low resistance
large dust holding capacity
easy to wash
Frame(optional):
Plastic(PP or ABS)
aluminium frame
water-proof paper frame
size: as customization
Filter media (optional):
PP or PE mesh
Pre-efficiency cotton
other function cotton
static media
Seal strip (optional):
EPDM( high resilience)
EVA ( high resilience)
PU (high density)
pre air filter