Rockwool Plastic Block Covers

Rockwool Plastic Block Covers

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  • 8" Block Covers, Pack of 40

    8" Block Covers, Pack of 40

    HydroFarm

    MSRP: $25.95
    $19.95
    PLASTIC BLOCK COVERS   Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.   Block light from media...
    MSRP: $25.95
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $25.95
    $19.95
    Subtotal:
  • 6" Block Covers, Pack of 40

    6" Block Covers, Pack of 40

    HydroFarm

    MSRP: $21.95
    $16.95
    PLASTIC BLOCK COVERS   Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.   Block light from media...
    MSRP: $21.95
    $16.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.95
    $16.95
    Subtotal:
  • 4" Block Covers, Pack of 40

    4" Block Covers, Pack of 40

    HydroFarm

    MSRP: $11.95
    $10.95
    PLASTIC BLOCK COVERS   Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.   Block light from media...
    MSRP: $11.95
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $11.95
    $10.95
    Subtotal:
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