AAF AstroCel II HEPA-ULPA Air Filter #905-272-624. Better than HEPA Clean Room Air Filter. 99.9998% Efficiency. 20-9/16" x 38-9/16" x 4.541". They are new, never installed. Still in the packaging. I'm in the Kansas City Mo area and will ship if paid through Cash App. Send me your zip code and I'll find out the shipping cost. Perfect for DIY laminar flow hood, mycology and other clean room applications.
$125 each. 3 available.
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