Large Air Stone Cylinder Diffuser 4x2 in for Aquarium
Large air stone diffuser for aquariums and hydroponics. Stable sinking cylinder design with 3/16 inch tubing compatibility and high-output pump guidance. Customer note: substantial size and good air flow
Highlights
- large 2x4 inch cylinder
- stable bottom placement
- compatible with standard airline tubing
Pros
- stable sinking design
- fits 3/16 inch tubing
- sturdy material and large size
- notable air output
Cons
- mixed bubble size quality
- one report of broken barb
- some find stones heavy
Best For
Features
- Cylindrical diffuser measures 2" diameter x 4" height and sinks to bottom
- Compatible with 3/16 inch standard airline tubing
- Constructed from washable silicon carbide for durability and safety
- Soak in water 2 hours before use; clean regularly to prevent clogging
- Suitable for hydroponic systems, koi ponds, aquariums, and fish tanks
