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    2.5" Adhesive Monotub Filters

    $17.99
    Shipping calculated at checkout.

    The 2.5" Adhesive Monotub Filters are designed to cover standard 2-inch monotub holes, offering a fast, reliable solution for maintaining passive airflow and high humidity in mushroom fruiting chambers. These filters simplify your setup while supporting consistent, clean conditions for colonization and fruiting.

    Made from high-permeability filter media and backed with a strong adhesive layer, they install in seconds—no stuffing, taping, or extra tools required. Just peel, stick, and grow.

    Each pack contains (24) 2.5" Adhesive Monotub Filters. 

    Why Choose 2.5" Adhesive Monotub Filters?

    💨 Supports Passive Airflow – Maintains fresh air exchange while helping retain humidity for ideal fruiting conditions.

    ⚡ Faster Than Polyfill – No mess, no prep—just peel and press for a tight seal.

    📏 Sized for 2” Tub Holes – Covers standard ports with clean overlap and a secure fit.

    💦 Reliable in Humid Environments – Stays adhered through full grow cycles without sagging or peeling.

    ♻️ Reusable with Care – Peel off gently and reuse across multiple tubs when handled properly.

    Size: 2.75" diameter
    Material: Non-woven, high-airflow filter media
    Backing: Pressure-sensitive adhesive
    Fits: Holes up to 2"
    Reusable: Yes, with care

    Product Details

    Fits Standard Monotub Ports

    Each filter measures 2.5" in diameter, providing full coverage for 2" airflow holes commonly used in monotubs and modified fruiting bins. The filter material offers a balance of gas exchange and moisture retention to keep your microclimate dialed in.

    Quick Application with Adhesive Backing

    These filters feature a built-in adhesive layer for quick installation. No tape or glue needed—just press onto a clean, dry surface and move on to the next.

    Made for Fruiting Conditions

    Designed to hold up in high-humidity environments, these filters stick securely throughout colonization and fruiting. Many growers reuse them across cycles by carefully removing and storing between uses.

    Usage

    Remove filters from the sheet and apply the adhesive side over the 2” hole on your bins. Replace if soiled or spores are present on the filter after harvest. 

    Specifications

    Size: 2.75" diameter
    Material: Non-woven, high-airflow filter media
    Backing: Pressure-sensitive adhesive
    Fits: Holes up to 2"
    Reusable: Yes, with care

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    2.5" Adhesive Monotub Filters

    $17.99

    Customer Reviews

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    J
    Jefferson

    As described