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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Steel frame and aluminum blades for maximum durability
and reflective material on the interior side
Super lightweight
Inside dimensions: 51 in length x 51 in wide
Formulas are sediment free and are compatible with all dosing and irrigation systems including fine dripper heads
Rockwool Block Cover Growing Environment Steel frame and aluminum bladesPLASTIC 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 Reflect light to plant leaves where it's needed most Eliminate algae and mildew growth 40 dual sided block covers per pack