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4-in x 4-in Classic Composite White Composite Deck Post Cap

TimberTech 4-in x 4-in Classic Composite White Composite Deck Post Cap

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I need to know the exact size of the opening... is it 4"x4", 4.5"x4.5"?


Good morning. Thank you for your question. The opening size for our 4” composite post cap is approximately 4.25”x 4.25”. For pricing and availability information, please visit your local Lowe's Pro Services Desk. If you have any other questions, please feel free to reach out to us here at TimberTech by calling our customer service line at 877.275.2935 -AZEK Customer Care

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