---
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: "144 kr"
currency: DKK
in_stock: true
reviews_count: 8
url: https://www.desertcart.dk/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0
store_origin: DK
region: Denmark
---

# 0.3um Pore Size 20mm Diameter High Temp Resistance 64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation

**Brand:** biomed solutions
**Price:** 144 kr
**Availability:** ✅ In Stock

## Summary

> 🌱 Cultivate Success with Every Filter!

## 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?** 144 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/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

- • **Perfectly Sized:** 20mm diameter fits seamlessly on standard mason jar lids.
- • **Unmatched Filtration:** Achieve a 99.97% filtration rate for optimal gas exchange.
- • **Effortless Application:** Strong adhesive for easy, mess-free installation.
- • **Hydrophobic Innovation:** Waterproof PTFE membrane ensures durability and reliability.
- • **Heat & Pressure Warrior:** Designed to withstand high temperatures and pressures in autoclaves.

## Overview

This pack of 64 synthetic filter discs features a 20mm diameter and a 0.3um pore size, making them ideal for mushroom cultivation. The hydrophobic PTFE membrane ensures waterproofing and effective air exchange, while the strong adhesive allows for easy application on mason jar lids. With high-temperature and pressure resistance, these filters are perfect for use in autoclaves and steam sterilizers, boasting a remarkable 99.97% filtration rate.

## 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.

## 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

## 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)

## Available Options

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

## Customer Reviews

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

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

### ⭐⭐⭐⭐⭐ Perfect for mycelium jars
*by T***S on December 17, 2024*

Worked great for my project.

### ⭐⭐⭐⭐⭐ 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

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

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-22*