Replacement Anti-Mineral Pads Compatible with Air-O-Swiss AOS A451 S450 Air O Swiss by LifeSupplyUSA. This is a high quality replacement part by LifeSupplyUSA, exclusively for sale by LifeSupplyUSA. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility.