JBL ProSilent Aeras Micro Ball L is a spherical air stone for use in fresh and marine water aquaria.
JBL ProSilent Aeras Micro Ball L:Do you have questions about this article ?
+ made out of an extra fine pored silica sand mixture for outstanding fine air bubbles
+ spherical aerator stone
+ diameter approx. 40 mm
+ weight of stone keeps it on ground without extra weighting
+ for fresh and salt water