---
title: "BFM® LM3 & LM4: Breathable Flexible Connector Solutions for Low & High Temperatures"
description: BFM® LM3 & LM4 breathable flexible connectors provide optimal airflow & withstand a wide temperature range—ideal for demanding manufacturing environments.
---

[BFM® Australia Blog ](https://bfmaustralia.com.au/bfm-australia-blog)

# [BFM® LM3 & LM4: Breathable Flexible Connector Solutions for Low & High Temperatures](https://bfmaustralia.com.au/bfm-australia-blog/bfm-lm3-lm4-breathable-flexible-connector-solutions-for-low-high-temperatures)

 Written by [Matthew Bailey](https://bfmaustralia.com.au/bfm-australia-blog/author/matthew-bailey) | Jul 14, 2025 11:56:01 PM

Used widely in food processing operations, our LM3 and LM4 breathable flexible connectors are the perfect option for low or higher-temperature operations. 

They can handle a wider temperature range than polyurethanes and will help keep your plant clean and safe, whilst still allowing some air into your process.   Each offers different benefits depending on the amount of airflow you need and the temperature you're operating at.

Watch this simple explanation of the differences between the two in this short product overview:

 

For more information on each product, visit the [LM3](https://bfmaustralia.com.au/lm3-connector) or [LM4](https://bfmaustralia.com.au/lm4-connector) product pages.

[View full post](https://bfmaustralia.com.au/bfm-australia-blog/bfm-lm3-lm4-breathable-flexible-connector-solutions-for-low-high-temperatures)

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