Ideal for deck areas, walkways, swimming pools and spas.
Features
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Actual dimension 8 7/8" x 8 7/8" x 1 1/8" 
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A unique mix of beauty and function 
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Open surface area 39.5 square inches 
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51.75 GPM 
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ADA Compliant 
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Recommended for medium-duty pneumatic tire traffic, autos and light trucks less than 20 mph with proper installation 
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Load rating is based on encasing product in concrete 
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Fits 9" Catch Basin Series part numbers 900, 900-4, 916, 930,931,932