SUNPRO brew bag open-top used for BIAB mash in a large kettle
SUNPRO brew bag with drawstring closure secured during batch brewing
SUNPRO 250-micron mesh filters grain for clearer wort
SUNPRO heavy-duty stitching reinforces the bag under heavy grain loads
SUNPRO boil-safe BPA-free nylon prevents off-flavors during high-heat brewing
SUNPRO bag fits kettles up to 20 inches in diameter for large batches
SUNPRO 2-pack suitable for cider pressing and fruit wine filtration
SUNPRO easy-clean mesh ready for repeated filtration tasks

SUNPRO

SUNPRO 2-Pack Extra Large Brew Bag 31x31 – BIAB Fine Mesh, 250 Micron, Boil-Safe, Fits 20-Inch Kettles

High-performance kitchen and dining made for confident daily results

$15.32

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Why customers choose Oico Home, Kitchen and Dining

Designed for BIAB homebrewing, the SUNPRO 2-Pack Extra Large Brew Bag (31 by 31 inches) unlocks a simplified, single-pot workflow. Mash, lauter, and boil all in one kettle, with the bag fitting kettles up to 20 inches in diameter. This makes it a solid entry point for beginners and a space-saving solution for experienced brewers seeking a streamlined brew day.

Key benefits

  • BIAB-ready design enables a one-pot workflow from mash to boil
  • Giant 31x31 inch size fits kettles up to 20 inches in diameter
  • 250-micron mesh filters grain particles while preserving steady flow
  • Double-reinforced stitching withstands heavy grain loads without stretching
  • Boil-safe and BPA-free nylon to help prevent off-flavors
  • Secure drawstring keeps the bag positioned above the kettle bottom

Premium filtration and flavor integrity

The 250-micron mesh acts as a fine filter, promoting a cleaner wort and easier fermentation. By maintaining good flow, it helps minimize sediment in the final pour while supporting consistent gravity readings.

Built for big batches and big flavors

Heavy-duty construction and reinforced seams are designed to handle large volumes and high-gravity recipes. The bag resists tearing and maintains shape during squeezing and draining, giving you reliable performance batch after batch.

Safe, versatile, and easy to reuse

Made from food-grade, BPA-free nylon, this bag is heat-stable up to 250°F. Its versatility goes beyond beer brewing—use it for pressing cider, filtering fruit wine must, or large-batch cold brew. The mesh cleans up easily for repeated use.

With the 2-pack, you gain redundancy for back-to-back brews or separate projects, plus a reusable tool that scales with your fermentation or filtration needs.

Care and maintenance

Rinse after use and air dry before storing. Keep the mesh away from rough surfaces to preserve the finish, and inspect stitching before the next batch for peak performance.

FAQ

Q: What can I use the SUNPRO 2-Pack Extra Large Brew Bag for?

A: BIAB mashing, lauter, and boiling in one kettle; also suitable for pressing cider or filtering large batches.

Q: Is the bag boil-safe and BPA-free?

A: Yes. The bag is boil-safe up to 250°F and made from BPA-free nylon.

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