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 FILTER MEASURING GUIDE

  • DO NOT ROUND UP OR DOWN -- GIVE US YOUR MOST ACCURATE MEASUREMENT
  • MEASURE FILTER THE SAME FOR PRE-FILTER WITH OR WITHOUT TOP
    WHENEVER POSSIBLE PLEASE SEND A PICTURE TO SHOW FILTER PLACEMENT IN AIRBOX

     

STYLE  EXAMPLES:                                                                                   

        

HOW TO MEASURE

MEASURE CIRCUMFERENCE (DISTANCE AROUND)  WITH CLOTH TAPE, OR STRING

round

oval