BUON VINO MINI JET FILTER PAD #2 (MEDIUM); PACKAGE OF 3. BUON VINO FILTERS USE A 3 GRADE PAD SYSTEM. THE #2 MEDIUM PADS (1 MICRON) ARE POLISHING AND BRIGHTENING PADS AND THEY REMOVE MEDIUM TO SMALL PARTICULATE IN YOUR WINE AND ADD THE SHINE TO YOUR WINE. THESE PADS WILL SHOW SIGNIFICANT IMPROVEMENT IN YOUR WINE'S CLARITY. EACH PACKAGE COMES WITH 3 PADS. DO NOT MIX FILTER PAD TYPES. ALL FILTER PADS INSERTED INTO THE BUON VINO FILTER MACHINE FOR ANY FILTERING PASS MUST BE OF THE SAME GRADE FOR EFFECTIVE FILTERING, WHEN THE GAUGE PRESSURE READS 18-20 PSI, THE FILTER PADS SHOULD BE CHANGED. PADS ARE NOT REUSABLE AND SHOULD BE DISCARDED AFTER INITIAL USE.