Amazon.co.jp: Overflow Box, Siphon Overflow Box, Acrylic Material, 9.1 x 7.2 x 11.4 inches (23 x 18.2 x 29 cm), 5,000 L/H Flow Rate, Noise Reduction, High Light Transmittance, Durable, For Aquariums : Pet Supplies
Eclipse L Overflow Box (1000 GPH) - Bulk Reef Supply