70x20mm Neodymium Magnet N52 Iman Strong Powerful Round Magnets Rare Earth Imanes Strongest Magnetic Slow Down Water Gas Meter 70x20mm Neodymium Magnet N52 Iman Strong Powerful Round Magnets Rare Earth Imanes Strongest Magnetic Slow Down Water Gas Meter. Sale price : $22.66 Category : Home Improvement