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Air Pumps	Air Diffusers	Air Manifolds
Standard Airstones	Airmaster Venturi	Air Line & Hose
EA Air Tube & Fittings	Oase Aqua Oxy

Japanese Ceramic Airstones

There are not many who do not know what Airstones are ... but let me stress that these are important if you are going to distribute sufficient air to those area's of your pond and filtration system where Air is essential ...

Many Koi and other pond keepers, unfortunately, are not aware of the importance of air in both the pond and importantly, within the actual biological side of the filtration system .. remember that every living thing, including bacteria survive only with a source of air ...and the benefits of air within the filtration system will be seen in a very short space of time ..

Air Stones, like many other products, only have a certain life-span .. and do need replacing frequently to maintain optimum performance.

Below we have a good selection of Air Stones .. ranging from the low budget priced Economy - right through to the Japanese Ceramic Air Stones, which whilst being much more expensive to buy .. do offer a much finer and intense air diffusion .. and do last much longer and therefore do not need replacing quite so often.


Blue 50mm Economy	CE1, 23 x 60mm

SKU	Description	Price	Order
Air-AST-150	Blue 50mm Economy	£1.52 +Vat
Air-AST-101	CE1 23 x 60mm	£3.48 + Vat


CE4, 30 x 78mm	CE5, 30 x 150mm	CE6, 50 x 150mm	CE110, 50mm - Long Life

SKU	Description	Price	Order
Air-AST-105	CE5 30 x 150mm	£17.46 + Vat
Air-AST-106	CE6 50 x 150mm	£31.08 + Vat
Air-AST-110	CE110 50mm - Long Life	£4.20 + Vat
	Korean Ceramics
Air-AST-515	Ceramic Cylinder 15mm x 70mm (4mm)	£2.45 + Vat
Air-AST-522	Ceramic Cylinder 20mm x 120mm (4mm)	£3.40 + Vat
Air-AST-533	Ceramic Cylinder 30mm x 130mm (4mm)	£4.36 + Vat
Air-AST-544	Ceramic Cylinder 40mm x 220mm (8mm)	£11.40 + Vat
Air-AST-560	Ceramic Ball 50mm - (4mm)	£2.20 + Vat

These high quality long life air stones are made from a refined ceramic compound. They produce very fine aeration and can be used in conjunction with any good air pump. All of the ceramic air products have plastic end housings which protect the air stone against abrasive contact from any surrounding surfaces. This added protection provides long life and trouble free operation of the units.

We are now stocking those larger diffuser type stones .. these are really superb and from the same Japanese stable as those listed above - these give an excellent air flow and one placed strategically on the bottom of the pond or tank will work wonders ... long lasting and very strong ..

They come in two sizes - the larger model is 200mm diameter and the smaller model is 132mm diameter - these will make a very useful addition to any pond or tank air system, and make a superb present for the Aquatic enthusiast....Please note the 200mm Ceramic air stone has a 1/4" Air line connection and requires the 1/4" reinforced air line......

SKU	Description	Price	Order
Air-AST-220	132mm Dia Ceramic Air Stone	£13.11 + Vat
Air-AST-221	200mm Dia Ceramic Air Stone	£19.53 + Vat

Shipping & Packing charges on UK Mainland
£10.00 jnc Vat - less if possible

Rubber Air Diffusers - 8mm

SKU	Description	Price	Order
Air-RAD-625	25cm Rubber Air Diffuser	£11.42 + Vat
Air-RAD-651	51cm Rubber Air Diffuser	£16.19 + Vat
Air-RAD-676	76cm Rubber Air Diffuser	£20.95 + Vat
Air-RAD-700	100cm Rubber Air Diffuser	£25.73 + Vat

Air Rings ...

Now we are able to supply these new, and superb Air Rings for your pond .. these provide a good air column, not unlike that from the Air Diffusers .. these new rings come in two sizes and are weighted to keep them down on the bottom of the tank, or pond ... and come complete with 10 feet of 4 mm airline, which can, of course be extended, and which is just connected to your air pump ..

SKU	Description	Price	Order
Air-AR-30	30 cm Air Ring	£24.00 +Vat
Air-AR-20	20 cm Air Ring	£17.00 + Vat

Shipping & Packing charges on UK Mainland
£10.00 jnc Vat - less if possible

Air Pumps	Air Diffusers	Air Manifolds
Standard Airstones	Airmaster Venturi	Air Line & Hose
EA Air Tube & Fittings	Oase Aqua Oxy

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The East Riding Koi Co Ltd.

Please contact us if we can help in any matter <sales@koicarp.net>
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