Fiber web having a high stiffness
Film electret and an electret filter
Filter element, method of manufacture and use
Filter felts and bag filters comprising blends of fibers...
Filter material and method
Filter media
Filter media
Filter media with fluid stream positioned fibers
Filter medium
Filter medium and structure
Filter medium and structure
Filter with ePTFE and method of forming
Filter with ePTFE and method of forming
Filter with interpenetrating polymer network that biodegrades
Filtration device and process for its manufacture