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  • Monotub Adhesive Filter Disks (6-Pack) - FD4
  • Monotub Adhesive Filter Disks (6-Pack) - FD4
  • Monotub Adhesive Filter Disks (6-Pack) - FD4

Monotub Adhesive Filter Disks (6-Pack)

5.00 stars, based on 13 reviews 13 review(s). | Write a review
Item #: FD4
Availability: In Stock
Usually ships In 1-2 Days
Midwest Grow Kit's

(NEW!) Take the guess work out of the air exchange equation with our new Polyfil filter disks. Constructed from a durable 3" plastic ring and 3M adhesive back, these disks have the perfect flow rate and density to allow the right amount of air exchange for monotubs or any bulk casing style grow. They keep humidity in and allow for the high levels of air exchange needed for any tub or greenhouse. Simply peel and stick over any size hole up to 2.5" diameter. Can also be re-used!

Features & Includes:

  • 6 Polyfil filter disks
  • 3" diameter disk
  • Covers holes up to 2.5"
  • Installs in seconds to any container or Greenhouse
  • Custom manufactured to our specs!
  • Filters and regulates air exchange
  • Reusable!
Retail: $9.99
Price: $7.99
You Save: $2.00 (20.0%)

    Quantity:

    (NEW! Version 2.0) Take the guess work out of the air exchange equation with our newly designed Polyfil filter disks. Constructed from a durable 3" plastic ring and 3M adhesive back, these disks have the perfect flow rate and density to allow the right amount of air exchange for monotubs or any bulk casing style grow. They keep humidity in and allow for the high levels of air exchange needed for any tub or greenhouse. Simply peel and stick over any size hole up to 2.5" diameter. Can also be re-used!

    Features & Includes:

    • 6 Polyfil filter disks
    • 3" diameter disk
    • Covers holes up to 2.5"
    • Installs in seconds to any container or Greenhouse
    • Custom manufactured to our specs!
    • Filters and regulates air exchange
    • Reusable!

      Overall Customer Rating of 13 Reviews:
      Write a review!
      Read all reviews

      Better than batting

      Rating:
      Pros:
      Cons:
      These filter discs work great for mono tub applications, provides the air exchange holes with a clean filtered cover that looks cleaner than stuffing batting and duct tape.

      Great!

      Rating:
      Pros:
      • Great costumer service
      • Fastest shipping hands down
      • Great products
      Cons:
      • None
      By far the best customer service and shipping time I’ve seen in a while...They will respond to emails right away and have the item shipped out the next day. Also, Injected my bags with spores four days ago and when it’s time I will be definitely be buying my substrate from these guys. 100% satisfied so far!

      I like these alot

      Rating:
      Pros:
      • Perfect size
      Cons:
      • Thin adhesive rings
      Great for monos only can find them here
      Lake Stevens, WA

      Filter patch stickers are a game changer!

      Rating:
      Pros:
      • Price
      • ease of application.
      Cons:
      No more poly fill to deal with. These stick on filters are awesome. So many uses beyond monotubs.
      NV

      Perfect solution

      Rating:
      Pros:
      Cons:
      I'd been wondering how to assure proper air circulation. These filters are perfect.
      Self stick makes for a no hassle install, they'll keep the air refreshed at the correct rate.

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