This item is free from asbestos and any harmful materials. It works with Starmix IPULSE models L-1635 BASIC, L-1635 TOP, M-1635 SAFE PLUS, H-1635 SAFE PLUS, and H-1235. It is also compatible with Metabo models ASA 32, ASA32, ASR 25L SC, ASR 35 LACP, ASR 35 MACP, ASR 35 HACP, 602013000, Bosch GAS 25 CS, Unitec CS1225 2605411167, and Eib stock DSS 25A. Additionally, it is suitable for the BOS vacuum cleaner BSH20/GAS25.