WADORN 8Pcs Aquarium CO2 Generator-DIY Carbon Dioxide Reactor Bottle Caps DIY Plants Air Diffuser Generators Quick Screw Twist Bottle Cap for Aquarium Fish Tank Live Plants Hydroponics

• Package Contents: You will receive 8pcs ABS plastic CO2 generator bottle caps, each with a diameter of 34mm and a thickness of 29mm, featuring a 2.7mm air hole and an inner diameter of 25.5mm, perfectly compatible with various standard bottles to meet diverse application needs
• High-Quality Material: These CO2 generator bottle caps are made from premium ABS plastic, offering durability. They remain stable and reliable even after prolonged immersion, ensuring consistent CO2 supply performance in aquarium environments
• Quick-Release Design: This DIY carbon dioxide bottle cap features a convenient quick-release design, allowing for easy sealing and opening of the gas cylinder. It is simple, convenient, and effortless to operate. For users who require frequent use, it saves time and effort while providing a hassle-free experience
• Easy Installation: The ergonomic knob design allows for quick and easy installation on various standard plastic carbonated beverage bottles without the need for any tools. It provides strong sealing and prevents CO2 leakage, making it easy for even beginners to use, combining practicality and durability
• Wide Applicability: Specifically designed for live plants and ecological aquariums, it is also suitable for hydroponic systems and DIY CO2 reaction devices, effectively promoting photosynthesis in aquatic plants and creating a healthy aquatic ecological environment

Introduce: Size: 34mm in diameter, 29mm thick, hole: 2.7mm, 25.5mm inner diameter Color: Natural Material: ABS Plastic Features: High-Quality Material: These CO2 generator bottle caps are made from premium ABS plastic, offering durability. They remain stable and reliable even after prolonged immersion, ensuring consistent CO2 supply performance in aquarium environments Quick-Release Design: This DIY carbon dioxide bottle cap features a convenient quick-release design, allowing for easy sealing and opening of the gas cylinder. It is simple, convenient, and effortless to operate. For users who require frequent use, it saves time and effort while providing a hassle-free experience Note: Manual measurement, please allow slight errors on size. The colors may exist slight differences due to different screens.