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    GROW-HGCOV4
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    Rockwool Block Covers - 4 in. Image
    Rockwool Block Covers - 4 in. Image
    Rockwool Block Covers - 4 in. Image

    Rockwool Block Covers - 4 in.

    For Use with 4 in. Gro-Blocks - Pack of 40 - Hydrofarm HGCOV4


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    GROW-HGCOV4
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    Rockwool Block Covers - 4 in.

    For Use with 4 in. Gro-Blocks - Pack of 40 - Hydrofarm HGCOV4

    Description

    The dual purpose, Hydrofarm HGCOV4 block covers are specifically used for 4-inch rockwool or stonewool gro-blocks. With the white side reflecting light back towards plants and the black side blocking light from the media, these block covers reduce algae, pest problems, and mildew, while enhancing growth proficiency. Pack contains 40 dual-sided block covers.

    Comparable Products

    Rockwool Block Covers - 4 in. Image Happy Frog - 12 Quarts Image A-OK Starter Plugs - 1.5 in. Image 600 Watt - T25 - Metal Halide - Grow Light Image Sun Blaze Strip Light Supreme 41 - 4 ft. - 1 Lamp - F54T5-HO - Fluorescent Grow Light Fixture Image
    Description Rockwool Block Covers - 4 in. Happy Frog - 12 Quarts A-OK Starter Plugs - 1.5 in. 600 Watt - T25 - Metal Halide - Grow Light Sun Blaze Strip Light Supreme 41 - 4 ft. - 1 Lamp - F54T5-HO - Fluorescent Grow Light Fixture
    Price $6.95 $6.83 $11.47 $39.68 $50.63
    SKU GROW-HGCOV4 GROW-FX14054 GROW-RWAO3640 PX-MPS6003K SUN-960350
    Brand HydroFarm FoxFarm Grodan Plantmax Sun Blaze
    MPN (Part No.) HGCOV4 FX14054 RWAO3640 PX-MPS600/3K 960350
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    Specifications

    Brand:HydroFarm
    MPN (Part No.):HGCOV4
    Use With:4 in. Gro-Blocks
    Length:4 in.
    Height:4 in.
    Width:4 in.
    Package Quantity:40
    Weight:0.2 lb.