Side Skirting Brush for Spray Master Single & Double Radius FendersSkirting is effective in reducing side sprayEasy to installKeeps mirrors and trucks cleaner, improving driver and motorist visibilityAir flows freely through flexible filament skirting preventing heat build-up on brakes and tiresORDER DETAILS Packaged set includes enough brush for one pair of Spray Master Half Tandem Fenders (cut in half to apply) and stainless steel hardwareOrder one packaged set for Single Radius (cut in half before installing)Order two packaged set for Double Radius