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If you are a mushroom grower or farmer that is serious about your business, you know you need to keep costs low. When it comes to grains, substrates, and even mushroom grow bags the cost of shipping matters.

Get a free bulk quote from us. You might not need a pallet full of grain but we can add it to a partial pallet order of substrate or Unicorn Grow Bags or both. The money you save on shipping is significant.

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Unicorn Bag Type 4A - 500 Count

$225.95
4″ X 3″ X 18″ Filter Type: A Filter Size: 1.5″X1.5″ 0.5 microns Filter Hole: Style L
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Unicorn Bag Type 4A - 500 Count
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Pack of 500 Unicorn 4-A ideal for standard grow blocks

This bag is identical to bag Type 4-B and bag Type 4-T except that it has a Type A .5 micron filter.
This side-gusseted breathable bag gives a sturdy stand-up bag after filling and a strong bottom seal. We manufacture it with equipment we designed and with proprietary additives, Unicorn Bags are pliable at any temperature as well as after sterilization. The bag opening is designed for easy sealing and the bag’s bottom seal can withstand agitation.

Yes, these Unicorn bags are still the original brand made in the USA to the high-quality standards Unicorn bags are known for. All of our Unicorn bags are Polypropylene which means they are autoclavable.

You can even save more time with MushroomMediaOnline’s own Fast Fruiting Mix that is the ideal mix of 50/50 hardwood sawdust substrate supplemented with 50% soy hulls.

Free shipping with your bag purchase from MushroomMediaOnline.com

We offer the lowest cost per bag by finding the very best shipping rates for your bag delivery. The larger your order size, the more you can save. Choose your purchase size and see the full price with free shipping included.

Brand: Unicorn
Model Number: 4-A
Type: Gusseted
Material: 3.0 Mil Polypropylene
Bag Size: 4″ X 3″ X 18″
Filter Type: A
Filter Size: 1.5″X1.5″
Filter Pore Size: 0.5 microns
Filter Hole: Style L