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Preserving gas integrity and safety

When foreign matter is present in a gas stream, the gas may not provide its desired results. Air Liquide manufactures a variety of gas filters designed to remove extremely small particles in your specialty gas streams. These filters are efficient and provide long service lives – the hallmarks of all Air Liquide equipment. For your convenience, next day shipping is available.

Available products

Low Pressure Filters 
Model 45A and 45S
Model 45 filters are available in stainless steel or aluminum. Highly efficient, they filter corrosive and noncorrosive gases and liquids to submicron levels.



High-Purity In-Line Filters 
Model 45G
Suited for use upstream of regulators, these filters protect the regulator from particulate contamination that can build up and eventually cause seat leakage and regulator failure.


High-Pressure In-Line Filters
Model 245H
These in-line filters feature a unique mechanism that combines Brownian motion and mechanical filtration to remove 99.99% of all particles 0.1 micron and larger.


Ultra-High-Purity Filters
Model 247
These in-line filters are specifically designed for applications where an extreme level of filtration is required.