TheHBU MODELSis a cubic ceiling cooler studied for cold rooms on vessels and boats. TheHBU MODELsatisfy completely the strict rulesU.S.P.H.S.TheMOD. HBUis used for fresh products storage, for freezing or frozen storage products.HBUH= fin spacing is 4 mm.HBUL= fin spacing is 7 mm. TheMOD. HBU 1-2-3are with fan motors ø 315 mm 1ph 230v 50-60hz. Fan guards are totally in Inox followingU.S.P.H.S.rules. TheMOD. HBU 4-5-6are with fan motors ø 400mm 1ph 230v 50-60hz. Fan guards are totally in Inox followingU.S.P.H.S.rules. TheMOD. HBU 7-8are with fan motors ø 500mm 1ph 230v 50-60hz. Fan guards are totally in Inox followingU.S.P.H.S.rules.HBU - SS= without defrost (recommended till 2 °C)HBU – ED= with electrical defrost (Recommended till -30°C) with Inox heathers with vulcanized terminal, arranged for the connection 400V 3/50- 60HZ.The body is completely in Inox and it is manufactured for the inspections of further controls, followingU.S.P.H.S.rules.