Lightweight hydroponics Expanded Clay pebbles

Main size of expanded clay as follows
2-4mm,4-8mm,8-10mm8-16mm,10-30mm
Characteristic:Lightweight, insulating, strong,Extremely stable and durable,Non-combustible and fire-resistant
Usage:
prevents any pollution by insects or bacteria,keeps away from the pollution ,super lightweight particle and easy to carry and move the plant etc
.
Lightweight hydroponics Expanded Clay pebbles