Save on shipping and lower the cost of your entire order.

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.

Get a free bulk quote today.

4T - 4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs

FREE SHIPPING to lower 48 states at checkout

Our prices include all shipping costs and are better than the competition. There are no hidden fees and no surprises at the end of checkout.

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Unicorn Bags 4T is the preferred bag for many growers for their grain spawn. Equivalent comparable to quart jar.

The larger your order size, the more you can save. Choose your purchase size and see the full price with free shipping included.

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Unicorn Bag Type 4T - 1000 Count
Unicorn Bag Type 4T - 1000 Count
Out of stock
Unicorn Bag Type 4T - 1000 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$455.00
Sold out
Unicorn Bag Type 4T - 500 Count
Unicorn Bag Type 4T - 500 Count
Out of stock
Unicorn Bag Type 4T - 500 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$244.95
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Unicorn Bag Type 4T - 150 Count
Unicorn Bag Type 4T - 150 Count
Out of stock
Unicorn Bag Type 4T - 150 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$76.99
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Unicorn Bag Type 4T - 100 Count
Unicorn Bag Type 4T - 100 Count
Out of stock
Unicorn Bag Type 4T - 100 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$58.99
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Unicorn Bag Type 4T - 75 Count
Unicorn Bag Type 4T - 75 Count
Out of stock
Unicorn Bag Type 4T - 75 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$47.99
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Unicorn Bag Type 4T - 50 Count
Unicorn Bag Type 4T - 50 Count
Out of stock
Unicorn Bag Type 4T - 50 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$36.99
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Unicorn Bag Type 4T - 25 Count
Unicorn Bag Type 4T - 25 Count
Out of stock
Unicorn Bag Type 4T - 25 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$25.99
Sold out
Unicorn Bag Type 4T - 10 Count
Unicorn Bag Type 4T - 10 Count
Out of stock
Unicorn Bag Type 4T - 10 Count
4″ x 3″ x 18" - 3.0 Mil - 1.5” x 1.5” 0.2 micron T Filter - Typical Block Size: 1-2 lbs
$12.99