The pressure switch - MAS400 - is specifically designed to replace the original pressure switches in the Legend Series Master Spas 2000 CS models. Control the water pressure in your spa with the right part.
Master Spa Parts offers this Outer Filter for Getaway Spas Eco Pur Charge System. This replacement filter weights 1.2 pounds and is five inches in diameter. This part has a SKU number of x268550 and is also known as a Getaway Outer Filter PMA-R5.