Synthetic Air Filter Media: This broad spectrum of products is designed for use in Koch Pad Frames, and is also available in bulk rolls for customers preferring to cut their own pads. Koch Synthetic Air Filter Media is primarily used as a prefilter for more expensive final filters, often extending the life-cycle of these final filters by 50% or more. Other popular applications include gas turbine air intake systems, commercial/ industrial central air handlers, unit ventilators, fan coil units, or any system where fiberglass or other filtering materials are not preferred Type SPT-550: A dual density “antimicrobial” all white media with dry tackifier on the downstream side. SPT-550 is a nominal 1”(inch) thick 15/45 denier fiber on the upstream side and 6/15 denier on the downstream side, needled media. SPT-550 comes in pads and slitto-size rolls. This ultra loft polyester media is an excellent choice in applications where extremely high dirt loads and high efficiencies are required.
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