AS109 – L aeration stone
Resun AS109 air stone (30x28 mm) for aquariums of 72–200 L, fitted to 4/6 mm airline tubing. Rated for air…
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Find a productProduct description
The Resun AS109 L is a 30x28 mm air stone for aquarists who run an air pump on a tank of 72 to 200 L. It connects to standard 4/6 mm airline tubing and is rated for pumps delivering 1.5 to 20 L/min.
Why it matters
- Tubing compatibility: the stone is sized for standard 4 mm inner / 6 mm outer airline, so no adapters are needed on a typical setup.
- Pump range: the rated output of 1.5–20 L/min covers a wide span of air pumps, which makes it a useful match when the pump and stone are chosen separately.
- Tank size: the specified volume range of 72–200 L defines where the stone is intended to be used.
- Water chemistry: according to the supplier, the stone does not alter water pH and is neutral to the water and gas composition.
Specifications
- Model: Resun AS109 L
- Dimensions: 30x28 mm
- Tubing fit: 4 mm inner / 6 mm outer
- Recommended aquarium volume: 72–200 L
- Pump output: 1.5–20 L/min
- Weight: 0.02 kg
- EAN: 6933163306662
What it works with
The AS109 L is used as an air diffuser in freshwater and other aquariums that run on an air pump, where it distributes air into the water column in fine bubbles. Its listed compatibility covers aquariums from 72 to 200 L and pumps from 1.5 to 20 L/min, so the pump output and tank size should be checked against these figures before purchase.
Technical specification
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Frequently asked questions
The stone measures 30x28 mm. The data does not specify a minimum tank size below 72 litres, so it is designed for tanks from 72 to 200 litres.
It is made for standard tubing with a 6 mm outer diameter and a 4 mm inner diameter, which is the tubing included with each air pump listed in the data.
It is dedicated to aquariums from 72 to 200 litres.
It works with air pumps rated from 1.5 l/min to 20 l/min. Check your pump's output before ordering to confirm it falls within this range.
No. It is described as neutral to the chemical composition of the water and the gas, and it does not change the water's pH.
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