Are you looking for a oxygen pump? Reusable fish tank oxygen pump is made of plastic materials. It is safe and reusable. It can serve you for a long time without being easily . It is an excellent fish tank pump that can bring you convenience, allowing you to have comfortable experience. Features - Color: Light Green -Material:Plastic - Size: 7.60X3.00X3.00cm/2.99X1.18X1.18in - Rated voltage: 5V -This oxygen pump provides efficient oxygenation, creating a well-balanced ecosystem for your fish. Very useful for fish. -Compatible with all types of fish tanks and aquariums, this oxygen pump is designed to be compatible with fish tanks. -USB powered. This oxygen pump is very suitable for various scenarios: fish shop fish pond, home fish tank, outdoor fishing. -Safe and reliable, this oxygen pump has stable performance, large displacement, longer use time, can be used easily. - workmanship, this oxygen pump has reasonable structure, professional and practical, bring you convenience. Package list: 1 tank oxygen pump