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4 inch Rockwool Block Covers, pack of 40
- Block light from media.
- Reflect light to plant leaves - where it's needed most .
- Eliminate algae and mildew growth.
- 40 dual-sided block covers per pack
$13.69
4 inch Rockwool Block Covers, pack of 40—
$13.69
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- Block light from media.
- Reflect light to plant leaves - where it's needed most .
- Eliminate algae and mildew growth.
- 40 dual-sided block covers per pack
