| MPN | HGCOV4 |
|---|---|
| Brand | Hydrofarm |
| UPC | 638104945783 |
Check the listing for details. Rockwool Block Covers, 4, Pack of 40. Condition: New. Listed at 27.98 USD. Eliminate algae and mildew growth. Works great with GRODAN Blocks. PLASTIC BLOCK COVERS.
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