Hang on sump filter tray | 4 x 4 inch tray | Reef Safe

Keep your sump organized and efficient with this custom-designed hang-on filter tray. Measuring 4 x 4 inches with a 1.5-inch depth, it provides ample space for media, carbon, or other filtration materials. Printed in reef-safe PETG, it's durable, chemical-resistant, and safe for all aquatic life. Perfect for saltwater and freshwater setups alike.