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Midwest Grow Kits

Polyfil Synthetic Fibers

Polyfil Synthetic Fibers

Regular price $ 7.00 USD
Regular price Sale price $ 7.00 USD
Sale Sold out

Polyfil is a synthetic material used as a filter agent when constructing Bulk grows and "Monotubs". This material filters and allows for gas exchange for bulk casing grows. 


  • Over-filled with Premium Polyfil Fibers
  • Enough for 2-3 Containers
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