This Hozelock medium air stone connects to 4mm airline and the will distribute fine air bubble when used in conjuction with an air pump. It is made from a ceramic compound and is tough and durable designed to sink to the bottom of the pond allowing oxygen bubbles to rise and break the surface tention adding extra oxygen to the pond. 

Suitable for use with medium air pumps or Hozelock Air Pump 1500


  • Heavy duty air stone
  • Suitable for use with any air pump
  • Ceramic with plastic hose connector
  • Suitable for 4mm I.D airline
  • Approx 45mm x 45mm (1.7"x1.7")
Delivery Information

Fast Free UK Delivery on orders over £60.00.*
Smaller orders under £60.00 are subject to a £4.95 delivery charge. Delivery will typically be made within 2 - 3 working days but may be extended during peak times.

We Can Offer Next Day Delivery for £7.95*
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.

*Extra charges or restrictions will apply to certain UK postcodes. These include parts of Scotland, The Highlands, Northern Ireland and offshore Isles. Please note Next Day delivery is not available to these locations. Please click here for a full list of postcode exclusions and contact us today for a personalised quote. 

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