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PROVA® shower extension kits can be used to extend a shower base to any desired shape & size. They are made of lightweight expanded polystyrene, designed to accommodate the trend for larger and more luxurious shower stalls, steam showers, and saunas. Each piece is easily trimmed to fit allowing maximum customization and includes an appropriately presloped surface to maintain proper drainage every time.
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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
$120.73