{"product_id":"decorative-ring-1-9-inch-id-cms-cpa-fixed-inner-adjustable-column-cma640w","title":"Decorative Ring, 1.9 Inch ID, CMS\/CPA Fixed\/Inner Adjustable Column","description":"\u003cp\u003eThe Chief CMA640W is a decorative finishing trim ring designed for use with the outside of CMS adjustable extension columns. This white ring visually enhances suspended ceiling installations by covering the opening where the column passes through the ceiling tile. It features a 1.91\" (49mm) internal diameter (ID) and a hinged design, which allows for easier installation in both new construction and retrofit applications. This accessory is specifically compatible with fixed CMS extension columns and fixed CPA columns, providing a clean, professional appearance to the mounting assembly.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDesigned for CMS outer adjustable columns and fixed CMS or CPA columns\u003c\/li\u003e\n\u003cli\u003eHinged construction for simplified installation in retrofit or new builds\u003c\/li\u003e\n\u003cli\u003eCovers ceiling tile openings to provide a finished appearance\u003c\/li\u003e\n\u003cli\u003e1.91\" (49mm) internal diameter (ID)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuestions\u003c\/h2\u003e\u003ch3\u003eWhat is the internal diameter of the CMA640W?\u003c\/h3\u003e\u003cp\u003eThe ring has an internal diameter of 1.91\" (49mm).\u003c\/p\u003e\u003ch3\u003eWill this ring work with my CMS extension column?\u003c\/h3\u003e\u003cp\u003eYes, this decorative ring is compatible with CMS outer adjustable columns as well as fixed CMS and fixed CPA columns.\u003c\/p\u003e\u003ch3\u003eHow is the CMA640W installed in a suspended ceiling?\u003c\/h3\u003e\u003cp\u003eThe ring is hinged, allowing it to open up to facilitate easier installation through ceiling tiles.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between this and the CMA640 series?\u003c\/h3\u003e\u003cp\u003eThe CMA640W is the white finish version of this decorative ring.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSpecifications are supplied by the manufacturer. For complete details, check the Resources tab.\u003c\/em\u003e\u003c\/p\u003e","brand":"Chief","offers":[{"title":"Default Title","offer_id":51914986946838,"sku":"CMA640W","price":17.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/3437\/6982\/files\/CMA640W_main_88e420fe-59f0-4bc2-bfd6-574f3c45ef73.jpg?v=1789974166","url":"https:\/\/avsupplies.us\/products\/decorative-ring-1-9-inch-id-cms-cpa-fixed-inner-adjustable-column-cma640w","provider":"AV Supplies","version":"1.0","type":"link"}