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The USG Donn SDX/SDXL216 is a 24-inch white cross tee for suspended ceiling grids, the short pieces that lock into main tees to form the 2x2 or 2x4 panel openings. It has a patented quick-release clip, a Class A fire rating and corrosion-resistant, paint-adhesive finishes. The best new price is $68.86 at eBay as of November 7, 2026, with only two stores listing it new, so comparison shopping is limited.
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Lowest price we've seen: $141.82 on Nov 8 at Max Warehouse. Tracked across 1 store since Nov 8.
Ratings average 3.6 out of 5 across 205 reviews. Buyers mostly judge it on how easily the clips engage and how straight the grid stays; complaints center on fit and finish consistency.