Item #: FD4
Availability: In Stock

(NEW!) Take the guess work out of the air exchange equation with our new Polyfil filter disks. Constructed from a durable 1-1/4" inside diameter MDF plastic ring and 3M adhesive back, these disks have the perfect polyfil density to allow the right amount of air exchange for monotubs or any bulk casing style grow. Simply peel and stick over any size hole up to 1-1/4" diameter.

Features & Includes:

  • 4 Polyfil filter disks
  • 1" thick premium quality synthetic polyfil
  • Installs in seconds to any container
  • Filters and regulates air exchange
  • Reusable
Price: $5.00

    Quantity:

    (NEW!) Take the guess work out of the air exchange equation with our new Polyfil filter disks. Constructed from a durable 1-1/4" inside diameter MDF plastic ring and 3M adhesive back, these disks have the perfect polyfil density to allow the right amount of air exchange for monotubs or any bulk casing style grow. Simply peel and stick over any size hole up to 1-1/4" diameter.

    Features & Includes:

    • 4 Polyfil filter disks
    • 1" thick premium quality synthetic polyfil
    • Installs in seconds to any container
    • Filters and regulates air exchange
    • Reusable
    Overall Customer Rating of 2 Reviews:

    Dope!

    Rating:
    Pros:
    Cons:
    Plug in play! Love it. Easy as slappin a sticker on. awesome quality

    These are great!

    Rating:
    Pros:
    • durable
    • easy
    Cons:
    Thanks for selling these!! I always stuff too much polyfil in the holes or not enough! Finally I dont have to go through the trial and error on how much to fill the holes with!! These things are great and really durable! Do you guys offer these in larger quantities?? I will send an email too. Peace!

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