Designed for inhalers and fish tank aeration, this small dualhead vacuum pump delivers efficient operation in both applications. Two power settings available Choose from 3 5 V or 6 12 V to match your device requirements. Provides versatility in power options for different setups. Compact and portable Size: 8 x 2.7 x 2.7 cm Lightweight and easy to fit into tight spaces, suitable for home aquariums and devices. Dualhead design for improved performance Dualhead configuration offers greater air pumping capability. Enhances performance for both inhalerrelated components and aquarium aeration. Key compatibility and performance highlights Function: dualhead vacuum pumping for air delivery in two common applications. Compatibility: suitable for inhalerrelated setups and small aquarium aeration systems. Size: compact dimensions for easy integration into existing layouts. Performance: dualhead design contributes to stronger air flow and reliable operation. Use scenarios Home aquarium setup: run a compact air pump to drive air stones or diffusers in small tanks, improving aeration and gas exchange. Portable or hobby devices: support small inhalerrelated equipment or accessories that require a compact vacuum source with adjustable voltage. DIY projects and experiments: suitable for lightweight air pumping tasks in hydroponics, experiments, or other smallscale applications where space is limited.