Pawfly 4 inch air stone disc is a great way to add oxygen to your aquarium, fish tank, hydroponic and circulation system.
MODEL: ASD108. Jetting Volume: 12 L/min, suitable for 40 inch fish tank. Max pressure: 0.012 MPa, Recommended air pump power: 4 W - 8 W.
Fits for 0.16" / 4 mm inner diameter tube. Measures 4 inches width by 1 inch height.
Safe, Washable & Durable, Non-toxic material keeps fish healthy and safe.
Comes with 3 easy-mount suction cups to make it easily suck in the smooth aquarium.
Pawfly 2 PCS 4-Inch Air Stone Disc Bubble Diffuser with Suction Cups for Hydroponics Aquarium Fish Tank Pump - B071DZG6QP