Enclosure Branson sound-proof for decreasing cavitation sound 20-25dB, with converter mounting for 150, 250 and 450 units, openings at the top and bottom, interior dimensions 520H x 320W x 270D mm, for S-250, 250 CE, SLPe, S-450, 450 CE, SFX150, SFX250 and SFX550