Convenient access to the aquarium: With independent bubble counting function at the same time, perfect combination with refining.The air outlet is fine, and the dissolution rate is high, more convenient. Material of high quality: The main body made of imported fine-crafted acrylic material, shimmering and translucent, dazzling and eye-catching. Nano technology: The refiner using the excellent workmanship of MBKT nano technology, brings a good refinement effect. < br> Good effect: Red chip needs less pressure, especially easy to release air, saving more material. Sales service: If for some reason you are not completely satisfied with your purchase, if it breaks, if it is damaged in shipping, or even if you change your mind - let us know and we will deal with it promptly! Specifications: Item Type: Aquarium Refiner Material: Acrylic Color: as pictures show Optional size: L, M, S L suitable Aquarium: approx. 120-150cm / 47.24-59.06 inch M Suitable aquarium: approx. 80-100 cm /