Oase Hose Adapter BioMaster

OASE Inlet/Outlet Connection Unit for BioMaster 250, 350, 600, & 850 (model # 55145, 55146, 55147, & 77116)

Also fits BioMaster Thermo 250, 350, 600, & 850 (model # 55148, 55149, 55150, & 77118)