8" *Adjustable* flared port aero port kit Audible Engineering - $38 - (Arlington, WI)

8" Adjustable Aeroport Kit by Audible Engineering 11 to 24" L, No paint Use included 1",2",4" and 6" center sections to build any port from 11" to 24" length

Posted in Arlington, WI, Electronics
From ebay.com - 1 month ago