---
product_id: 380173087
title: "64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation"
brand: "biomed solutions"
price: "NT$744"
currency: TWD
in_stock: true
reviews_count: 13
category: "Biomed Solutions"
url: https://www.desertcart.tw/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0
store_origin: TW
region: Taiwan
---

# 20mm diameter precision High-temp & pressure resistant 0.3μm ultra-fine pore size 64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation

**Brand:** biomed solutions
**Price:** NT$744
**Availability:** ✅ In Stock

## Summary

> 🍄 Cultivate with Confidence: The Ultimate Filter Disc for Next-Level Mycology

## Quick Answers

- **What is this?** 64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation by biomed solutions
- **How much does it cost?** NT$744 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0)

## Best For

- biomed solutions enthusiasts

## Why This Product

- Trusted biomed solutions brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Autoclave-Ready Durability:** Withstands high heat and pressure—ideal for pressure cookers and steam sterilizers without losing adhesion.
- • **Optimized for Mycology Mastery:** Perfectly sized 20mm discs tailored for BRF jars, liquid cultures, and spawn cultivation—join the elite growers’ club.
- • **Sterile Airflow, Zero Compromise:** Hydrophobic PTFE membrane ensures waterproof yet breathable gas exchange for flawless mushroom cultivation.
- • **Precision Filtration at 0.3 Microns:** Filters 99.97% of particles, creating the perfect sterile environment for your mycology jars.
- • **Effortless Application & Reusability:** Strong adhesive sticks securely to mason jar lids; breathable and durable for multiple cultivation cycles.

## Overview

This pack of 64 synthetic 20mm hydrophobic PTFE filter discs features a 0.3μm pore size, delivering 99.97% filtration efficiency. Designed for mushroom cultivation, these waterproof, breathable discs withstand autoclave sterilization and pressure cooking. Their strong adhesive ensures secure attachment to mason jar lids, providing optimal sterile air exchange for superior mycology results.

## Description

Specifications: Size: 20 mm in diameter Color: white Membrane material:Hydrophobic PTFE Pore size:0.3um Package includes: 16 x4sheets Synthetic filter discs Features: Waterproof ,breathable,high temperture and press resistance,reuseable. 64pcs filter sticker Included ,Great for the for all mushroom growers looking to provide a sterile growing environment with proper air exchange. These filter vent work great for a variety of growing techniques including BRF Jars, Liquid Culture, Spawn Cultivation and may more. Safe for Pressure Cooking and Autoclave Sterilization.

Review: Sticks wonderfully and works as stated. - Purchased these to modify some grow tubs. The smaller ones work best for my tubs. If using the larger patches, less is more. Tried using 4 of the larger patches and it allows too much gas exchange and it's hard to keep humidity.
Review: Exactly as expected! - Great for making your own home made spawn jars! They stayed on after sterilization!

## Features

- Diameter:20mm,0.3um Pore size,Hydrophobic PTFE membrane ,waterproof and air exchange for Mushroom cultivation,best for mycology jar lid .
- Strong adhesive:these synthetic filter paper can be attached to the hole of mason jar lids and you need to clean and dry the surface before sticking filter patch
- High temperture resistance:these disc filters feature outstanding heat resistance and pressure resistance, which can be applied to your autoclaves,press cooker and steam sterilizer.
- High filter rate: these adhesive patches have a filtration rate of 99.97% ,can filter 0.3 μm object ,for gas exchange
- Easy to apply:breathable,durable and reusable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09LD119PF |
| Best Sellers Rank | #87,659 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Lab Filter Membranes |
| Date First Available | November 9, 2021 |
| Item Weight | 0.704 ounces |
| Item model number | USGLM-64Z |
| Manufacturer | Biomed Scientific |
| Package Dimensions | 5.83 x 4.69 x 0.55 inches |

## Images

![64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation - Image 1](https://m.media-amazon.com/images/I/71Y5pHDZN4L.jpg)
![64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation - Image 2](https://m.media-amazon.com/images/I/61ai6aWkObL.jpg)
![64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation - Image 3](https://m.media-amazon.com/images/I/61jOOLRPZsL.jpg)
![64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation - Image 4](https://m.media-amazon.com/images/I/81tR7+hozPL.jpg)
![64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation - Image 5](https://m.media-amazon.com/images/I/71D73d3ZHPL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sticks wonderfully and works as stated.
*by K***R on November 9, 2023*

Purchased these to modify some grow tubs. The smaller ones work best for my tubs. If using the larger patches, less is more. Tried using 4 of the larger patches and it allows too much gas exchange and it's hard to keep humidity.

### ⭐⭐⭐⭐⭐ Exactly as expected!
*by M***E on March 7, 2025*

Great for making your own home made spawn jars! They stayed on after sterilization!

### ⭐⭐⭐⭐⭐ Work great on mushroom jars with no contamination!
*by J***H on June 15, 2024*

I love these! Very easy to use, made it through the pressure cooker at least 3 times so far, and still look good as new. I have made at least 20 mushroom jars with no contamination. Will be a repeat consumer of these.

## Frequently Bought Together

- 64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation
- Myco Labs Microppose Self Healing Injection Ports for Mushroom Spawn Bags and Jar Lids (50-Pack)
- 3M Micropore Tape 1530-1 (2 rolls) 1 x 10 yards

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tw/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0](https://www.desertcart.tw/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-16*