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The Rectangle Flat Top Plate is 18" x 18" and can be trimmed down if needed with a good pair of tin snips. Please select the square collar size in the drop down window. See our Top Plate & Chimney Cap Options Product Overview for a detailed explanation of each option. Note: Rectangle chimney liner components are custom made to your specifications and are not refundable. Please contact us if you have any questions.
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$118.99