<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="detailmodule_text"> <p class="detail-desc-decorate-content" style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px">Before use, please dip the air stone in water for 15 minutes first, then use a powerful air pump to connect.<br /> <br /> <br /> Features:<br /> Ozone aerated stone, bubble stone, using super hard gold steel sand, after high temperature sintering, good gas diffusion, good filterability, ozone resistance, corrosion.<br /> <br /> Increase oxygen levels, lower CO2 and raise PH, creates water currents<br /> <br /> It is an important instrument to successfully keep aquatic fish for respiration process.<br /> <br /> Durable, can be reused and washed repeatedly.<br /> <br /> Creates bubbles in fish tank while attached to an air pump(air pump and air tube is not included).<br /> <br /> <br /> Specifications:<br /> <br /> Color: White<br /> <br /> Material: hard gold steel sand<br /> <br /> Item Size: Approx. dia. 3.5cm, 5cm, 8cm,10cm<br /> <br /> Package include: 1*air bubble stone (no tubes)<br /> <br /> Suitable for inner diameter 4mm soft tube<br /> Note: Air pump is not included in the package.<br /> <br /> For aquarium air tube, please click here: Aquarium Air Tube<br /> <br /> Note:<br /> -Soak in water for 15 minutes before use.<br /> -For long-term use, if there is dirt blockage, and the bubbles is reduced, please take it out of the fish tank and wash it again and again.<br /> -The air stone can be used repeatedly.<br /> -Please allow 1cm differs due to manual measurement.<br /> -Due to the different display and different light, the picture maybe a little different with the actual color of the item. Thanks for your understanding.</p> </div><div class="detailmodule_image"> </div></div></div>