Enhance the health and vitality of your aquatic environment with this high-quality Air Stone, designed to increase oxygen levels, reduce CO2, and raise pH for optimal fish respiration. Crafted from durable mineral stone and plastic, this air stone is sintered at high temperatures, ensuring long-lasting performance and easy washability, setting it apart from conventional air stones. When connected to an air pump, it efficiently creates fine bubbles that promote water circulation and generate dazzling underwater scenes, improving the overall aesthetic and environment of your fish tank. Key Features: · Superior Oxygenation: Increases dissolved oxygen levels while lowering CO2 concentration, helping maintain a balanced and healthy aquatic habitat. · Durable & Washable Construction: Made from high-temperature sintered mineral stone and plastic, this air stone is built to last and can be cleaned easily for repeated use. · Enhances Fish Respiration: Essential for supporting the respiration process of aquatic fish, promoting their well-being and longevity. · Creates Dynamic Water Currents: Generates continuous bubbles that improve water circulation, preventing stagnation and creating an attractive underwater effect. · Easy to Use: Simply attach to any compatible air pump with a 4mm inner diameter soft tube for immediate operation and convenience. · Multiple Sizes Available: Choose from four sizes (40mm, 60mm, 80mm, 100mm length) to suit various aquarium setups and requirements. Specifications: · Material: Mineral Stone + Plastic · Color: Gray · Compatible Tube Inner Diameter: 4mm soft tube · Size Options:  - 40mm (D) x 15mm (H) / 1.57" x 0.59"  - 60mm (D) x 15mm (H) / 2.36" x 0.59"  - 80mm (D) x 15mm (H) / 3.15" x 0.59"  - 100mm (D) x 15mm (H) / 3.94" x 0.59" Package Includes: · 1 x Air Stone (Size based on your selection) This air stone is an indispensable tool for aquarium enthusiasts seeking to improve water quality and create a vibrant underwater environment, ensuring your aquatic pets thrive in a well-oxygenated and visually appealing habitat.