Washable G4 pre‑filter

Aluminum frame removable pre‑pleat air filter

Our G4 pre‑filters adopt removable aluminum frame design. The pleated synthetic filter media is washable for repeated use.

High dust holding capacity, low initial resistance. Widely used in HVAC and air handling units as primary filtration, extending service life of medium efficiency filters.

High‑capacity washable G4 pre‑filter with removable aluminum frame. Custom sizes available for HVAC ventilation systems, protects downstream medium efficiency filters.

Custom size G4 pre‑filter with reusable aluminum frame

G4 washable pre‑pleat air filter for HVAC ventilation system

Custom dimensions are available to meet your project requirements. Contact us for details.