4" Economy Airstones (Diffusers), Blue, Box of 24

Product Code: AA4-CS

These inexpensive airstones are perfect for hobbyists and aquariums. Blue in colour. 3/16″ barb inlets. 4" diffusing area.

Box of 24

We Also Recommend

1" Economy Airstone (Diffuser), Blue

1" Economy Airstones (Diffusers), Blue, Case of 120

12 Volt Air Compressor

12 Volt Air Compressor - Repair Kit

12 Volt Air Pump, 80 Watts