Feature: 1. SAFE MATERIALS: Aquarium air bubbler volcano is composed of PVC, resin, rubber and other materials, safe, non toxic, environmental protection, completely harmless to fish tank organisms. 2. UNIQUE AND BEAUTIFUL: Use the hose to connect the air pump to the inside of the volcano decoration, bubbles emerge from the top of the volcano, creating a unique lava explosion effect. 3. OXYGENATING: Volcano ornament with air pump can improve the oxygen level, by creating a lot of bubbles to add oxygen to the water, which is very healthy for fish. 4. VIVID LANDSCAPE: Fish tank oxygen pump ornament can create a vivid and rich underwater environment, designed with a stable bottom, your fish can swim around the volcano. 5. FINE WORKMANSHIP: This fish tank volcano decoration is finely detailed with lifelike details and textures, not easy to fade or damage, suitable for most aquariums. Specification: Item Type: Aquarium Air Bubbler Volcano Material: PVC, Resin, Rubber Use: Aquarium Oxygenation Small Volcano Landscaping Air Pump Flow: Maximum 200ML/min Air Pump Power: 0.8W Air Pump Pressure: 13Kpa. Package List: 1 x Aquarium Air Pump1 x Small Volcano1 x Hose