Unicorn XLS-A Autoclavable Mushroom Grow Bags (0.5 Micron Filter) Built for Large Blocks & Reliable Fruiting The Unicorn XLS-A grow bag is designed for larger substrate blocks and aggressive fruiting applications. Featuring a 2” x 3” 0.5 micron A filter and durable 3.0 mil polypropylene construction, this bag delivers consistent airflow and dependable performance during colonization and fruiting. Why Choose the XLS-A? Large 2” x 3” A Filter – Balanced gas exchange with 0.5 micron filtration 3.0 Mil Polypropylene – Durable and fully autoclavable Ideal for Large Substrate Blocks – Designed for 10–15 lb blocks Commercial-Grade Quality – Trusted Unicorn brand performance Excellent for Fruiting Stage – Optimized airflow for heavy flushes Product Specifications Model: XLS-A Dimensions: 10” x 5” x 24” Material: 3.0 Mil Polypropylene Filter Size: 2” x 3” Filter Type: A Filter Pore Size: 0.5 Micron Typical Block Size: 10–15 lbs The more you order, the more you save. Select your quantity above to view volume pricing. For laboratory and research applications. Proper sterilization procedures required for optimal performance.