Marpros Aquarium Air Pump M-100

This Marpros aquarium air pump features an adjustable air volume dial. It's designed for 10-30 gallon tanks and includes an air stone, air tube, return valve, and suction cup. Dimensions are approximately 12.5cm x 7.1cm x 5.6cm (4.9" x 2.8" x 2.2"). It operates quietly with soft rubber feet to absorb vibrations.