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JM Expands Micro-Aire Filtration Capacity

April 30, 2007

Wertheim expansion to be complete in September.

Johns Manville will expand production capacity of Micro-Aire filtration media by approximately 20% at its Wertheim, Germany location. The expanded capacity will be fully available by September 2007.

"This investment once again underscores the market-leading position of Johns Manville in the HVAC air filtration industry," said Christian Hassmann, business leader of filtration for Johns Manville. "The decision was based on increased demand as the industry recognize the value of the consistent, high-performance filtration media.”

Micro-Aire  is an air filtration media for pocket filters used in heating, ventilating and air conditioning (HVAC) systems. The media is made from polyester spunbond coated with glass microfibers.

The advantages of Micro-Aire include excellent filtration efficiency with low pressure drop and high dust holding capacity, according to Mr. Hassmann. As a result, pocket filters based on Johns Manville media combine low energy consumption and extra long life time. The ultra-fine microfibers provide consistent filtration performance throughout the lifetime of the filter and avoid the drop-off in efficiency seen in lower-quality synthetic media that relies on an inconsistent, electrostatic charge.

Significant capacity expansions for Micro-Aire are also planned in North America for late 2007.

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