2 to 3 times higher efficiency on small particles than standard MERV 8 pleated filters

Increases life of downstream filters

Significantly improved protection against bioaerosols and other hazardous particles

Reinforced with corrosion-resistant heavy metal backing

2-piece die-cut double-wall frame with diagonal face strips for extra strength

MERV 11 efficiency

1", 2" and 4" depths available

Special sizes available

Maximum operating temperature: 180˚F (82˚C)

UL 900 Classified