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Air Stone - med-pore (LARGE)
Large - 1.5" x 1.5" x 3" (38mm x 38mm x 76mm) High-quality air-diffuser stone. Excellent bubble generation. Superior durability.
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Maximise the output of your air pump with these highly porous air stones.

With a maximum pore size of 140 microns, these stones create an intense plume of bubbles, providing excellent aeration for your aquaponics system.

Made of 100% glass-bonded silica, these stones can be expected to last indefinitely in a clean system with pH levels of less than 8.0.

Dimensions - 38 mm x 38 mm x 76 mm long (1.5" x 1.5" x 3")
Hose fitting - OD Poly barb, 4.76 mm diam. (3/16")

Each one comes with bumpers (sturdy rubber O-rings), to allow proper bubbling from all sides of the stone, and to protect both the stone and your tank liner. 
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Team Economics Pty Ltd  a.c.n. 53 087 289 745
trading as,
Practical Aquaponics
21 - 31 Hives Road North Maclean, Qld 4280  Australia.

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