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    Earn between 4 Points and 12 Points
    Grow Kits

    Adhesive Filter Disks for Monotub Holes

     $3.99 – $11.99
    Select options This product has multiple variants. The options may be chosen on the product page
    • Perfect density and flow rate for proper humidity and air exchange in your monotub
    • Use instead of polyfil to keep out foreign spores and other contaminants
    • Installs in seconds to any monotub. No calibration required!
    • Covers monotub holes up to 1.75″ in diameter
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