THE MICRO FILTRATION HOUSING IS MAKE BY A STAINLESS STEEL BELL (AISI 316) WITH INTO A STAINLESS STEEL OR “PP” (POLYPROPYLENE) INTERCHANGEABLE CARTRIDGES THE FILTRATION CAN ARRIVED TO 0,45UM (MICRON) TO THESE LEVEL WE BRIGHT AND STERILISE THE WINE THE BELL AND THE CARTRIDGES HAVE A DIFFERENT SIZE IN FUNCTION OF THE CAPACITY (L/H) THAT OF THE HIGH CIRCULATION INTO OENOLOGY IS THE 30” (750MM) WITH CAPACITY 1.000 L/H. OURS HOUSING CAN TO BE EQUIPPED WITH BY-PASS.