Tetra air stone. The Tetra air stone is fine-pored and therefore an even air vent with a long-lasting, high-quality finish. The combination with Tetra APS aquarium air pumps is ideal and despite full use of the pump performance, the pressure resistance is very low. At the same time, the Tetra air stone is the optimal solution for optimal oxygen supply to your aquarium. Available in 4 sizesAS30 = ø15mm / length 30mmAS35 = ø23mm / length 35mmAS40 = ø27mm / length 40mmAS45 = ø30mm / length 45mm

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JUWEL air stone set. With the JUWEL air stone set you can individually influence the flow direction of the filter in your aquarium. Depending on the situation, you can use the shorter or longer contra-angle handpiece provided. The JUWEL vent set also includes 2 rings for connecting the filter to the vent.

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JUWEL OxyPlus O2 diffuser. The JUWEL OxyPlus O2 diffuser fits all JUWEL filter systems and is there to increase the oxygen content in your aquarium. Which in turn is good for the fish and keeps them healthy and happy. The JUWEL OxyPlus O2 diffuser can be installed quickly and easily and is infinitely adjustable.

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Hobby natural air stone Vulcano. The Hobby natural air vent Vulcano is a true gem of an air vent in your aquarium. The lava stone not only supplies your aquarium with air, but is also very decorative. Each lava stone looks different and releases different numbers of air bubbles. Size: approx. 14x8x4cm

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Hobby Air Stone Mini-Long & Hobby air stone long-long. The Hobby air stones are suitable for all air pumps. Both air stones - Hobby Mini-Long & Hobby Long-Long – release a fine “veil” of air beads into the aquarium water. These air beads biologically clean the water from the smallest impurities and your aquarium and the water becomes crystal clear again. You can easily connect several mini-longs or long-longs together using simple plug-in technology, which further enhances the effect. Available in 2 sizesMini-Long 3x12.5cmLong-Long 3x25cm

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