Made of 18 Gauge 316L Stainless Steel. Trough is internally pitched 1-inch deep and 1-inch wide. Waterproofing membrane is factory attached 6" around the perimeter of the trough. Total length with flanges is 46". Fits rough opening from 46" to 48 ". Finished opening is from 44" to 46". A complete drain assembly will include: 1) drain body, 2) strainer (sold separately), and 3) spacers (we include four (4) spacers with this drain, but the spacer size must be specified).
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