Airstone Polo 4mm
Starting at £2.00
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Product Description
These Airstone Polos are designed at the highest quality and work as profoundly effective air stones. These fit perfectly with 4mm Airline and 8mm and are great for aerating nutrient solutions.
Specification
- 5cm (3 inch)
- 10cm (4 inch)
- 12.5cm (5 inch)