Akron Brass ProVenger Quick-Attack [638] Foam Tube for 1 1/2'' ProVenger Nozzles. The ProVengerTM Quick-AttackTM Foam Tube is designed to efficiently clip on and off the 1 1/2'' ProVengerTM handline nozzle. Quick-release tabs allow the tube to be easily removed and is constructed of a lightweight, durable, high-strength polymer. The ProVenger Quick Attack Foam Tube is affordably priced to complement the ProVenger series nozzles.