The 10cm air stone allows maximum diffusion of air into the water and avoids the need for multiple air stones making installation easier. If necessary, an additional 5 or 6 airstones can be added to provide oxygen to different areas of the pond. The Hozelock Cyprio air pump includes 1 x 10cm airstones, a chrome coated metal manifold with 12 outlets and 5m of air tube (4mm Ø) as standard. Delivers 45 litres per minute and has a maximum operating depth of 2m. 35 watts
2 year guarantee. A robust high quality pump from a company you can trust.