{"product_id":"aaons21991","title":"Aaon S21991 Post End","description":"\u003cp\u003eThe AAON S21991 is an OEM replacement part identified as the Post End. This component is designed for use in AAON HVAC systems, specifically for the OSA HB (Outdoor Air Handling) configuration. It serves as a structural support element, providing stability and alignment to the framework of the system, ensuring proper airflow and system efficiency.\u003c\/p\u003e\n\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\n\u003cp\u003eManufacturer: Aaon\u003cbr\u003e\nManufacturer Part Number: S21991\u003cbr\u003e\nProduct Type: Post End\u003c\/p\u003e","brand":"Aaon","offers":[{"title":"Default Title","offer_id":50366941823298,"sku":"S21991","price":811.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6663\/1234\/files\/aaon_a09e7250-d4e6-44de-8c99-30b13b4df1bd.png?v=1752167198","url":"https:\/\/snookhvac.com\/products\/aaons21991","provider":"Snook \u0026 Aderton HVAC Supply","version":"1.0","type":"link"}