For small betta habitats like bowls and aquariums up to 3 gallons. Air bubbles provided added environmental enrichment and oxygen in betta habitat. Air operated betta filter with volcano decoration helps improve water quality and clarity for a healthier habitat. Requires air pump for operation (sold separately). Included: Betta filter volcano suction cup base air tubing and suction cups air adjustment valve check valve instructions

Aqueon Betta Filter Volcano