8 Piece Bubble Hash Bag Sets


  • 250µm FullMelt Filter bag
  • 190 µm FullMelt Filter bag
  • 160µm FullMelt Filter bag
  • 120µm FullMelt Filter bag
  • 90 µm FullMelt Filter bag
  • 70µm FullMelt Filter bag
  • 38µm FullMelt Filter bag
  • 25µm FullMelt Filter bag

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FullMelt Filtration Bubble Hash Bags: 8 Piece Set – FullMelt collection

Our full 8 Piece FullMelt Filtration Hash Bags are recommended for people working with multiple cultivars or anyone that would like to have the option to build their own set as they need based on their situation.

Different cultivars will yield differently in different bags and a full set of bags will give you the ability to work with different combinations of bags to achieve different results based on different cultivars and how they were grown.

First is our 250u bulk separation bag that is essential for removing the bulk of the plant material from the crude separation. 

The 190u bag is then used to catch any potential contaminates that did not move through the bags, helping clean the collection below it. 

The 160u bag follows as the initial refinement bag to clean up the lower micron collections of smaller contaminates that may have passed through the 160u bag. The 160u bag can often yield incredible Hash when care has been taken in cultivation and attention to detail in the washing process.

We also include a 120u bag as a second refinement bag, used to clean up the material collected in the 90u bag.

The 90u and 70u bag is included and is prized by many as the butter zone or a reliable set of collection sieve for Full Melt Hash. 

The 25u and 38u bags are then used to collect everything below the 70u bag, usually containing trichome heads that are still developing or ripening. The collection here is often not as potent or pungent as the collections above but can still be of quality.

The Micron bags are used as follows in this set:

250u – Used as a bulk separation bag to separate the bulk of the plant material from the sifted ice water and resin solution.

190u - Used as an initial refinement bag to collect potential contaminates that have passed through the 250u bag.

160u – 1st refinement bag: Used to refine the collection below by collecting finer impurities that were not collected in the 250u bag. 

120u – 2nd refinement bag: Used to refine the final collection by collecting even finer impurities that were not collected in the 160u bag.

90u - 1st collection bag – The Butter Bag #1. Is used to collect the Highest quality resin possible as known as Full Melt Hash

70u – 2nd collection bag – The Butter Bag #2. Used to collect the Highest quality resin possible also known as Full Melt Hash.

38u – 3rd collection bag used to collect less developed trichome heads and potential contaminates from the sifted resin.

25u – 4th collection bag used to collect the least developed trichome heads and potential contaminates from the sifted resin.

Check out our Bag break down page for more details on these types of bags and why it is often the go to set for many Hash makers that are looking to pull a finer quality material from their sift.

Check out our blog page for more information on trichome glands, quality resin and how to define them as well as our tutorials for more information on how to use our products.

Visit our gallery as well for more images of our products.

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To download the specification for the Fullmelt Filtration bags please use the link

The Filtration Mesh

  • Each mesh variation is defined by its Micron (µm) opening size.
  • This is an indication of the open area of the mesh and is measured micrometres or µm.
  • The 25µm, 38µm, 70µm & 90µm Filtration meshes have been woven into a plain Dutch weave.
  • The remaining 120µm, 160µm, 190µm & 250µm mesh variations have been woven into a plain weave pattern and have been secured in place using heat.
  • The mesh is woven using a nylon 6,6 23µm diameter thread.
  • Each mesh is 30cm in diameter and has been secured to the base of the bags with two double lines of stitching.

The Side Walls

  • The sidewalls are a 115 GSM, 100% polyester.
  • Woven into a Poly Oxford pattern.
  • Polyurethane coating on both sides of the sidewalls.
  • Each rim of the bags (top and bottom) has been reinforced with a line of web tape.

The Design

  • Each bag is conical in shape.
  • The volume of each bag is 40ℓ.
  • There is a 30cm diameter mesh base that tapers up to 40cm open rim.
  • Lower 4 micron bags (25u, 38u, 70u, 90u) have an 80mm mesh extension up their side walls which has doubled the filtration area on each of these bags and has dropped the filtration rate down dramatically while still keeping costs down.
  • Each bag in the set is colour coded with the specific micron (µm) size of the bags’ screen.
  • Each bag has two handles.
  • Each micron screen variation has a porosity value greater than 30%.
  • Micron opening Sizes (MOS) are secured through weave patterns and,
  • Mesh weave is heat sealed to further ensure MOS is secured.
  • Large mesh surface area.
  • 2 lines of double reinforced stitching secures mesh to the side wall.
  • Temperature. PH and ethanol resistant filtration mesh and side wall fabric.
  • Side wall fabric coated in PU.
  • Handmade and locally produced in South Africa with materials sourced from internationally recognised leaders in the mining and chemical filtration industry.
  • The filtration mesh is sourced from Switzerland from the global leader in mining and chemical filtration mesh manufacture.
  • The design and manufacture of each filtration bag has been graded to international standards for mining filtration applications. 
  • Increased rate of filtration due to 30%+ porosity value on each filtration mesh.
  • Filtration mesh surface area over is 700 square centre meters (cm²) or 30cm diameter.
  • Secured weave pattern limits morphing potential of Micron Open Size (MOS) of each mesh under the pressure/weight of filtration.
  • Mesh weave is heat sealed to ensure specific Micron Opening Size (MOS) is maintained over repeated use.
  • Increased filtration area on lower 4 Micron bags.
  • PU coating ensures water and oil proof finish on both sides of the filtration bags side wall fabric.
  • PVC and laminate free.
  • Light and durable sidewall fabric.
  • Easily secured over the rim of a 20ℓ or 25ℓ bucket due to 40 cm diameter rim.
  • Easy access to particulate collected in the filtration mesh.
  • Handles for easy manoeuvring of the filtration bags during the filtration process.
  • Quality assurance specification from factory through owner to customer.