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 | std 4mm bore air line High quality pvc 4mm bore air line at a sensible price, for Koi Pond or aquarium usePrice per metre Price: £0.19 (Including VAT at 17.5%)
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 | Pressure relief valve (PRV) Fit a pressure relief valve in the line and save your air pump if the line pressure raises to high. Alternatively replace air stones before they block up!! Suitable for Hi Blow and Medo type pumps Price: £19.95 (Including VAT at 17.5%)
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 | Hi Blow 20 This Hi Blow 20, pumps up to 20 litres of air per minute and can pump air down to a depth of 2 metresThis high output air pump only uses about 20 watts of electricity and is a must have for koi ponds and biological filters that thrive on high oxygen levels. Areation helps to grow large Koi This unit can provide enough air to run a bottom drain air diffuser or 6 airstones in the filters. Ideal working depth would be between 1 and 1.25 metres
Price: £70.50 (Including VAT at 17.5%)
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 | Hi Blow 40 This Hi Blow 40, pumps up to 40 litres of air per minute and can pump air down to a depth of 2 metresThis high output air pump only uses about 40 watts of electricity and is a must have for koi ponds and biological filters that thrive on high oxygen levels. Areation helps to grow large Koi This unit can provide enough air to run a bottom drain air diffuser and upto 4 airstones in the filters. Ideal working depth would be between 1.25 and 1.75 metres
Price: £82.25 (Including VAT at 17.5%)
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 | Hi Blow 50 This Hi Blow 50, pumps up to 50 litres of air per minute and can pump air down to a depth of 2 metresThis high output air pump only uses about 35 watts of electricity and is a must have for koi ponds and biological filters that thrive on high oxygen levels. Areation helps to grow large Koi This unit can provide enough air to run a bottom drain air diffuser and upto 4 airstones in the filters. Ideal working depth would be between 1.5 and 2 metres
Price: £99.95 (Including VAT at 17.5%)
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 | Hi Blow 80 This Hi Blow 80, pumps up to 80 litres of air per minute and can pump air down to a depth of 2 metresThis high output air pump only uses about 80 watts of electricity and is a must have for koi ponds and biological filters that thrive on high oxygen levels. Areation helps to grow large Koi This unit can provide enough air to run 2 bottom drain air diffuser and upto 4 airstones in the filters. Ideal working depth would be between 1.5 and 2 metres
Price: £179.95 (Including VAT at 17.5%)
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 | Medo LA45b This Medo 45, pumps up to 45 litres of air per minute and can pump air down to a depth of 2 metresThis high output Piston air pump uses teflon seals (no diaphrams) only uses about 40 watts of electricity and is a must have for koi ponds and biological filters that thrive on high oxygen levels. Areation helps to grow large Koi This unit can provide enough air to run a bottom drain air diffuser and upto 4 airstones in the filters. Ideal working depth would be between 1.5 and 2 metres
Price: £119.96 (Including VAT at 17.5%)
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 | Used Kockney Koi 50L Air Pump 50 litre per minute Air pump suitable for running Air stones in biological filtersGood condition but sold with out warranty. Price includes shipping to UK mainland Price: £50.00 (Including VAT at 17.5%)
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