Thermoset fiberglass with angled mid-nails, speed clamps. Lightweight, non-corrosive, non-conductive, no ground required. Will not melt or distort in H heat. Shatter-resistant in cold temperatures. 2 hr wall fire rating. 3 x 4 x 3-3/4 in UL listed.
Manufacturer: ALLIED MOULDED PRODUCTS Model Number: 2300-NK UPC: 085339121329
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