Pawfly 16 Inch Air Stone Cylinder for Larger Pumps Bubble Diffuser Release Tool for Large Aquariums Outdoor Pond Garden Circulation Systems and DWC Reservoirs 2 Pack

Steadier Bubbles Use superior rubber material which allows abundant dense and even bubbles to spout from the cylinder An ideal way to fully aerate your water reservoirs Larger Size Measure 12 D x 16 L Suitable for large aquariums ponds gardens DWC systems and aquaculture farms NOT fit for small aquariums or fish tanks Model ASE302 Jetting volume 36 Lmin Recommended air pump power 7 W Standard ID airline tubing 316 or 38 Keep fish or roots growing healthily Stable in Water Weigh 138 oz and come with 2 square holders at both ends to increase stability It always lies steadily in the water without moving easily when bubbling Easy to Use Soak it completely in water for more than 3 hours before use Simply clean the stone by wiping the dirt off its surface instead of brushing it after use