Levelable heavy-duty cassette Q06 for inspection opening with covering depth 25 mm. Levelable cassette for inspection opening up to 20 kN, square, consisting of cassette frame, blind cassette cover, seal. Can be used for all types of floor construction in dry rooms indoors with dry or wet-cleaned floors. The seal is replaceable in order to permanently guarantee the protection class. For the installation of gradually lowerable device cups, for up to 6 devices 45 x 45 mm. Tested according to DIN EN 50085-1 and DIN EN 50085-2-2.