Description
Discard a stone is an excellent aeration device used with corner filters, under gravel filters and decoration. These stones are disposable air diffusers with reusable inserts for attaching airline. Available in both fine or coarse stone.
FREE shipping on all orders over $79.99
Description
Discard a stone is an excellent aeration device used with corner filters, under gravel filters and decoration. These stones are disposable air diffusers with reusable inserts for attaching airline. Available in both fine or coarse stone.
