Pawfly 2.4” Air Stone ASD060 Air Bubble 6 cm Airstones Diffusers for Aquarium Fish Tank Hydroponics Air Pump， 2 Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>An ideal way to create abundant small bubbles to your fish tank， aquarium， hydroponic and circulation system.</li><li>MODEL: ASD-060; Jetting Volume: 4 L/min; Recommended Air Pump Power: 3 W-6 W.</li><li>Fits for 3/16" / 4 mm inner diameter tube. Size: 2.4 x 0.6" / 60 x 15 mm (D x H).</li><li>Safe， Washable， Durable & Non-toxic material keeps fish healthy and safe.</li><li>Comes with 2 PCS ASD-060 Air Stones， 100% REFUND Guarantee if the stone doesn't work.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41WDp75uMBL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/516wAPQvDEL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51Ga1Co9wbL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51JKim3V6OL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51WqLYNjfuL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/61bZw9cVlAL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/512oelttJuL.jpg' noproxy></br>