4in1 Precision Diffuser for Natural Planted Tanks Key benefits Four integrated functions in a single device: ultramicropore atomization for ultrafine bubbles, Ushape air intake for stable flow, builtin bubble counter for easy monitoring, and a check valve to prevent backflow. These combined features make CO2/air delivery more consistent and easier to control. Clear, durable construction lets you see operation at a glance. The PC (polycarbonate) transparent body is produced by onetime molding and is comparable to glass in clarity, while resisting impact, discoloration, and deformation for reliable longterm use. Simplifies dosing and maintenance: fine atomization improves gas diffusion, the bubble counter gives immediate feedback on gas rate, and the check valve protects your regulator and tubing from water backflow. Material and performance PC transparent material, onetime molding — glasslike clarity with better impact resistance. Resistant to impact, no discoloration, and no deformation under normal aquarium conditions. Ultramicropore atomization produces consistent microbubbles for efficient gas transfer and gentle dispersion that is suited to planted setups. Compatibility and size Designed to fit all sizes of N.P.T. (Natural Planted Tank). Suitable for setups with water plant height from 12 to 47 inches. Practical use scenarios Controlled CO2 dosing in medium to tall planted aquariums: use the ultramicropore atomization and bubble counter to dial in a steady, visible bubble rate for healthier plant growth. Longterm planted displays where visibility and durability matter: the transparent PC body resists impact and discoloration, allowing continuous visual checks without fragile glass parts. Any natural planted tank where backflow protection is important: the integrated check valve prevents water from entering tubing or regulators during maintenance or power interruptions. What it solves Removes guesswork from gas delivery with a visible bubble counter and stable Ushape intake. Improves diffusion efficiency with ultramicropore atomization, reducing large bubbles and uneven distribution. Reduces downtime and replacement costs thanks to impactresistant, nondiscoloring construction. Specifications Functions: ultramicropore atomization, Ushape air intake, bubble counter, check valve Material: PC transparent, onetime molding (glasscomparable clarity) Durability: impact resistant, no discoloration, no deformation Compatibility: fits all sizes of N.P.T. (Natural Planted Tank) Suitable for water plant heights: 12–47 inches Simple to integrate, visibly reliable, and built for planted aquariums that need precise, durable gas delivery.