{"product_id":"300-011","title":"Advantage Sonfarrel\/Martec Spa MasterLock Washer (300-011)","description":"\u003cp\u003eThe Advantage Spa MasterLock washer is designed for compatible Sonfarrel and Martec applications where secure fastening support is needed within the assembly. A washer is useful because it helps distribute load and stabilize the fastened connection, supporting cleaner assembly retention and more dependable long-term performance.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original washer is corroded, bent, worn, or missing. Using the correct Spa MasterLock washer helps preserve intended fit and restore dependable fastening support in compatible equipment setups.\u003c\/p\u003e\u003cp\u003eThe 300-011 is a practical service part when a compatible Advantage, Sonfarrel, or Martec setup needs a washer to restore secure assembly retention and cleaner mechanical performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdvantage Spa MasterLock washer\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Sonfarrel and Martec applications\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable fastening support\u003c\/li\u003e\n\u003cli\u003eUseful when the original washer is worn or missing\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable assembly retention\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Advantage Manufacturing","offers":[{"title":"Default Title","offer_id":48472342364315,"sku":"300-011","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/35-185-1026_XL.jpg?v=1777517677","url":"https:\/\/www.bathandspaparts.com\/products\/300-011","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}