4 Inch Air Stone Cylinder For Larger Pumps Bubble Diffuser Release Tool For Buckets Fish Tanks Outdoor Garden Ponds And DWC Reservoirs 4 Pack Oxygenate Your Tank With Dense Micro Holes

4 Inch Air Stone Cylinder Diffuser - 4 Pack for Tanks
✔️ Jetting 5 L/min with dense micro holes, washable silicon carbide, 3/16" tubing

This 4 inch air stone cylinder is a dense diffuser built for larger pumps. It oxygenates water in aquariums, DWC systems, buckets, ponds, and outdoor garden ponds, helping aquatic life thrive.

✅ 2" D x 4" H cylinder (50.8 mm x 101.6 mm) for stable sinking
✅ Jetting volume 5 L/min
✅ Standard ID tubing 3/16" fits most pumps
✅ Silicon carbide material is aquarium-safe and washable
✅ Weight 0.8 lb for stable placement

💡 What is an air stone diffuser used for in water tanks?

This handy tool oxygenates water and promotes water movement in larger tanks and grow-out setups. - Increases dissolved oxygen for fish and beneficial bacteria - Promotes even bubble distribution in deep tanks - Compatible with standard 3/16" tubing and DWC systems - Helps reduce stagnation and improve water quality