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Price: Price: $4.00
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    Quantity:
    Nominal Height* 12-3/4" 
    Nominal Width* 21-1/2"
    Nominal Depth*  1"  
    MERV  
    Avg. Atmospheric Efficiency (%)  20 to 25  
    Air Flow Velocity (FPM) 375/500
    Initial Operating Resistance (W.G) 0.22/0.40
    Final Operating Resistance (W.G.)  1.0  
    Max. Temp. (F)  150 
    Pleats per Linear Feet   12
    Case Quantity   12

    *The industry standard specification on all standard sized filters runs from .25" to .5" shorter than its named size. IPI can custom size pleated filters to your exact requirements.