wholesale high quality agricultural rockwool slab cube 70 80 90 kg/m3 hydroponics growing media for greenhouse

Size:

Small, 3*3*4cm, 2.5*2.5*4cm, 4*4*4cm, 7.5*7.5*7cm...

Material:

PVC

Type:

Solar Agricultural Greenhouses

Cover Material:

Film

Layer:

Single

Model Number:

GN023H

Place of Origin:

China

Brand Name:

GN

Product Name:

Rockwool cube

Usage:

agricultural growing and seeding

Density:

70-100 kg/m3

PH value:

6-8

Supply Ability:

1000 Box/Boxes per Day