---
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: "€ 14.26"
currency: EUR
in_stock: true
category: "Biomed Solutions"
url: https://www.desertcart.pt/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0
store_origin: PT
region: Portugal
---

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

**Brand:** biomed solutions
**Price:** € 14.26
**Availability:** ✅ In Stock

## Summary

> 🍄 Cultivate with confidence—sterile air, zero compromise!

## 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?** € 14.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/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

- • **Reusable & Durable:** Long-lasting synthetic discs designed for multiple cultivation cycles
- • **Effortless Application:** Strong adhesive sticks securely to mason jar lids—just clean & dry before use
- • **Built to Withstand Heat:** Endures autoclave, pressure cooker, and steam sterilizer conditions without fail
- • **Hydrophobic & Breathable:** Waterproof membrane ensures optimal air exchange while blocking moisture
- • **Precision Filtration Power:** Filters 99.97% of particles down to 0.3μm for a sterile grow environment

## Overview

This pack of 64 synthetic 20mm hydrophobic PTFE filter discs features a 0.3μm pore size, delivering 99.97% filtration efficiency. Designed specifically for mushroom cultivation, these waterproof, breathable membranes withstand high temperatures and pressure, making them ideal for autoclave sterilization. Strong adhesive backing ensures easy, secure application on mason jar lids, supporting sterile gas exchange for optimal mycology growth.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09LD119PF |
| Best Sellers Rank | #61,818 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 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)

## Available Options

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

## 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.pt/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0](https://www.desertcart.pt/products/380173087-64pcs-20mm-diameter-synthetic-filter-disc-hydrophobic-ptfe-membrane-0)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-23*