Bed Universal Installation Box Easy Connect for drain and overflow fittings for free-standing, built-in bathtubs and slightly raised shower trays with minimum bath tub support suitable for shower traps with minimum bath tub support Construction height adjustable: 105 - 205 mm can be integrated into the floor structure made of waterproof foam (Piocelan®) incl. lid incl. pre-assembled flexible hose Incl. HT Reduction DN 50/40 short incl. sealing sleeve incl. film adhesive Note: cannot be combined with the drain fitting Order no. B574.