The Tetra Repto-Filter is a medium-sized filtration system designed for terrariums up to 15 gallons. Made by the trusted brand Tetra, this dual-density filter provides efficient filtration for a clean and healthy environment for your aquatic pets. Its compact dimensions make it easy to use in various terrarium setups, and it is manufactured in China. This unit is a crucial addition to any fish or aquarium setup to maintain water quality and ensure a safe environment for your aquatic friends.