IAS adapter-IAS 3-SD, Compatible with IAS 3 interface (LEX 3) and IAS 2 interface (LEX 2 and LRS). For operating Festool compressed air machines without dust extraction, e.g. when finishing. IAS 3 SD and compressed air hose DL (497215) for painted finishing with compressed air eccentric sander LEX 3 77 Length 90 mm, Supplied in a carton.