The PA-1-MP is a vacuum assisted, static port, multi-port expansion set that works with 1/4 inch vacuum lines. This adapter measures only 5 inches from outside cup to outside cup. The PA-1-MP static adapter is an accessory for the SS-1-BB vacuum assisted static adapter system—perfect for light general aviation aircrafts.This multi-port expansion set includes:A water-proof caseTwo PA-1 adapter headsHose with Y-splitter
