Polaris IQ Shock Tower Vent Lg 3 Panel Shock tower vent for use on the IQ series sleds. 7 3/4" x 7 1/4 " Extremely durable brushed aluminum composite frame, cnc cut, with super strong pvc coated mesh, solvent welded to the frame. Second prefilter layer to keep even the finest powder off your clutches. Price is for one vent with black rivets for install. Note this vent is not pre-bent like our smaller IQ shock tower vent.