Normale geperste luchtstenen voor algemene toepassingen. De kleur van deze stenen kan variëren.

Excellent quality gray/blue air stones hardened with an aluminum alloy at high temperatures (1300 °C). These stones have extra many pores and disperse very fine air bubbles for optimum aeration. Corrosion free and shock resistant. Applicable for oxygen, air, seawater and ozone in ponds, nurseries, ozone generators and medical use.

This air stone disk is a professional rubber membrane aerator. Therefore, this air stone is ideal for industrial applications and pond aeration. The air stone has 3/4" male thread connection.

Velda air stone This air stone from Velda ensures optimal distribution of oxygen and air bubbles through the water. Besides the benefit of the diffusion of oxygen for the organisms in the water, this also ensures that the water will not freeze as quickly in winter times. This air stone features a six to eight millimeter hose connection. Specifications: Color: gray Gender: unisex Material: stone...