Feature: 1. Three Compartments Design: Aquarium box filter, enough space for filtration separation, three compartments filtration bin, equipped with three color cultivation filter bag and filter cotton, great filtration effect. 2. Flexible Installation: This fish tank filter adopts dual suspension installation inside and outside the tank, with three adjustable heights of the clamp, adjust the proper position according to the specific location. 3. Quiet Design: Hang on back aquarium filter, light sound operating, less than 30dB, only a slight sound of water flow when the filter box device is running, will not disturb your rest or work. 4. Oxygenation And Adjustable Water Flow: Waterfall style water outlet, shell visible, filter media visible, beautiful and rich in oxygen, water flow is adjustable, convenient oxygenation. 5. Replaceable Filter Material: Small fish tank filter media is replaceable, can be matched with different filter media to meet various fish tank filtration needs and ensure the water in the fish tank stays clear. Specification: Item Type: Hanging Aquarium Box Filter Material: Plastic . Package List: 1 x Hanging Aquarium Box Filter (Total 10 Accessories)1 x Bag of Filter Media 2 x Filter Cotton 1 x Plug 1 x Instruction Manual