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
Item Specifications Part Number: 111005 Universal Product Code: 638104945783 Manufacturer: HydrofarmManufacturer's Part Number: HGCOV4 Dimensional Weight: 0.154 lbs
Price: $4.94
Order Quantity:
Availability: Usually ships in 3 to 5 days. More Info
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