Easy, Reliable Aeration Setup for Freshwater or Planted Aquariums Enhance the oxygen levels in your aquarium with this complete air stone package, ideal for both beginners and seasoned aquarists. This kit includes all the essential components to set up an efficient and safe air system for your fish tank—no extra parts needed. ✅ Package Includes: 2x 3cm Airstones – Compact and durable, designed to create a steady stream of fine bubbles for effective aeration. 1x Airline Tubing (Standard 4mm size) – Flexible and clear, connects seamlessly to your air pump and stones. 1x One-Way Check Valve – Prevents backflow to protect your air pump from water damage. 1x Three-Way Splitter – Easily connect and control multiple air stones from a single pump source. 🐟 Key Features ✔️ Dual Airstones for Better CoverageTwo small yet powerful airstones help distribute bubbles more evenly throughout your tank. ✔️ Fine Oxygen BubblesImproves gas exchange, supports fish health, and reduces dead spots in water circulation. ✔️ Complete Plug-and-Play KitAll essential accessories included for quick setup—no additional parts required. ✔️ Safe and VersatileCheck valve ensures safety, while the 3-way splitter allows for expansion or use in multiple areas of your tank. 🐠 Perfect For: Nano to mid-size freshwater or shrimp tanks Breeding and hospital tanks Planted aquariums in need of gentle circulation Aquarists looking for a compact yet effective aeration system Breathe new life into your aquarium with the Double Air Stone Package — combining practicality, safety, and efficiency in one convenient bundle.