General description These CSPARKV 10PCS Aquarium Heating Suction Cups are designed for securing various items in your aquarium. Made from high-quality ABS plastic and rubber, they offer excellent corrosion resistance and a long service life. Technical specifications Material: ABS plastic and rubber Suction cup diameter: φ3.5cm/1.30" Opening clip diameter: φ2.5cm/0.90" Total height: approximately 4cm Usage Ideal for fixing standard aquarium heating rods Can be used with PVC water pipes Suitable for LED diving lights Perfect for securing aquarium plant decorations