20 CM Rubber Air Bubbler Air Stone Cylinder for Larger Pump Bubble Diffuser Aerator for Outdoor Pond Garden Hydroponic Circulation System and Large Fish Tanks

  • £15.99
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20 CM Rubber Air Bubbler Air Stone Cylinder for Larger Pump Bubble Diffuser Aerator for Outdoor Pond Garden Hydroponic Circulation System and Large Fish Tanks

  • £15.99
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  • Steadier Bubbles: Use superior rubber material which allows abundant dense and even bubbles to spout from the cylinder. An ideal way to fully aerate your water tanks.
  • Larger Size: Measure 5(D) cm x 20(L) cm. Fit for reservoirs like hydroponic systems, ponds, gardens and some large aquariums or tanks. NOT for small fish tanks.
  • Model: ASE-504; Jetting volume: 24 L / min; Recommended air pump power: > 7 W. Stainless steel air inlet fits standard 4 mm or 8 mm ID tubing. Well-built to be used 24/7.
  • Stable in Water: Weigh 0.35 kg and come with 2 square holders at both ends to increase stability. It always lies steadily in the tank without moving easily when bubbling.
  • Easy to Use: Soak it completely in water for more than 3 hours before use. Simply clean the stone by wiping the dirt off its surface instead of brushing it after use.

Product Description


Pawfly specializes in all must-haves of aquarium accessories such as air pumps, water pumps, air stones, sponge filters, fish nets, algae brushes and other accessories to set up your aquariums.

20 CM Air Stone Cylinder

Unlike air stones compressed with sand, the 20 cm air stone is made of superior rubber featuring better permeable effect and producing more steady and even bubbles. A necessity to increase dissolved oxygen in large reservoirs.

It is well built to keep stable in water and withstand long-time use. Perfect for both fresh and salty water environment like hydroponic systems, ponds, gardens and large aquariums.

  • Steady and even bubbles
  • 20 cm for large reservoirs
  • Fit for 4 mm & 8 mm ID hose
  • Work well with pumps over 7 W
  • Stable and sturdy
  • Soak for over 3 hours

Steady & Even Bubbles

Produce large numbers of bubbles bursting into the surface of water steadily and evenly, bringing more oxygen to enliven your aquatic life.

Powerful Bubbler

With the large jetting volume of 24 L / min, the air stone is well built to be used 24/7. You need an air pump of more than 7 W to run it.

Fit for Large Reservoirs

Large size of 5(D) x 20(L) cm. Suitable for oxygenating hydroponic systems, ponds, gardens and large aquariums. NOT fit for indoor small fish tanks.

Stable Cylinder

Enough weight enables it to sink to the bottom. And 2 square holders at both ends always keep it lying stably in the water.

Reliable Rubber Surface

The upgraded rubber material does not threat the life of your fish and ensures lots of air bubbles without clogging up easily.

Easy to Use

Soak the stone completely in water for more than 3 hours before use. And just wipe it with a piece of cloth to remove dirt after use.

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