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The Mountain Tree Ring Air Diffuser is a high quality, high capacity air diffuser for aeration of koi ponds and aquariums.
Made from a Japanese, fish safe rubber diffuser material formed in a ring, held stable and weighted by a stainless steel ring.
Completely smooth to minimise risk of damage to fish and pond linings.
Available in two sizes
30cm Diameter - suitable for air pumps up to 80 litres
50cm Diameter - suitable for air pumps up over 95 litres
1/2" / 16mm airline connection
