1" Adhesive Monotub 100% Cotton Disc Filters

12 filters (1 sheet)
$7.99
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In Stock. Ships in 2-5 business days.

Trusted by 350K+ Growers

Trusted by 350K+ Growers

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Achieving the perfect microclimate is paramount for successful mushroom cultivation. North Spore's 1" Adhesive Monotub 100% Cotton Disc Filters provide the essential environmental control needed for thriving mycelial development and robust fruiting.

These meticulously designed disc filters facilitate crucial gas exchange, allowing your substrate and mycelium to breathe while expertly retaining high humidity levels within your monotub.

Crafted from 100% natural cotton, each 1-inch filter ensures consistent porosity and durability. The integrated 3M adhesive backing guarantees a secure, reliable seal on your grow bags or monotub vent holes, preventing contaminants while maintaining structural integrity.

Optimized for passive airflow, these filters prevent stagnation and promote vigorous growth, contributing to higher yields and healthier flushes. They are an indispensable component for maintaining sterile conditions.

Designed for ease of application, these disc filters adhere smoothly to various cultivation containers, making them suitable for both hobbyist and commercial indoor growers utilizing monotubs or similar setups.

As a product from mycologists at North Spore, these filters reflect a commitment to scientific accuracy and premium quality, ensuring dependable performance in your cultivation efforts.

Explore our comprehensive range of cultivation equipment and educational resources to further refine your growing practices and achieve exceptional results.

Elevate your mushroom cultivation with reliable filtration that supports a flourishing environment from inoculation to harvest.

Frequently Asked Questions

We recommend absolute beginners start with our Spray & Grow Kits, which make growing mushrooms at home super easy.

We want you to have the best possible experience with every North Spore product and guarantee free replacements within 30 days of receipt for any damaged, contaminated, or unusable product.

Absolutely! Mushroom cultivation is a great activity to do with the whole family, whether you'd like to grow indoors or outdoors. If you're new to mushrooms, we recommend starting with a Spray & Grow Kit or a Plant & Grow Kit – both make it easy to grow fresh, organic mushrooms at home.

We are vertically integrated — from culture work all the way to spawn and substrate production — ensuring a quality end product. And our staff mycologists keep up to date on all best practices in our field. Additionally, we have a dedicated QAQC team that tests every batch of grain and substrate before it’s inoculated.

Cluster of brown-capped mushrooms with long, light-colored stems against a white background.

Your Trusted Source for Premium Mushroom Growing Supplies

Whether you’re growing mushrooms at home, in your garden, or at a commercial scale, we offer everything you need to cultivate success. We start with the highest-quality OMRI-listed ingredients, mix them in our state-of-the-art facility, and inoculate them in our custom-built lab, so you can rest easy knowing your product will yield the best results.

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