Excellent quality grey/blue air stones, hardened with an aluminium alloy at high temperature (1300°C). The stones are very porous and produce very fine air bubbles for optimal aeration. Corrosion-free and shock-resistant.
Suitable for oxygen, air, seawater and ozone in ponds, aquaculture, ozone generators and medical applications.
DY 102-B 50x300ml
Collection from our premises near Chepstow in South Wales by appointment or delivery to British mainland addresses.
Delivery is £8.95 per order for most dry goods, with some more expensive delivery charges applicable for very heavy or long items.
Please note delivery for dry goods is typically 2-5 working days and items may be sent in separate packages.