Check the listing for details. CEMS Perma Pure Ceramic Particulate Filter Elements for sample gas conditioning. Condition: New – Open box. Listed at 20.00 USD. These are factory wrapped and labeled in an open box.The outer wrap is marked with a label indicating 3FEC-002 from Perma Pure. 2 Micron rated filtration These are ceramic filter elements intended to filter particulate from a gas sample stream. The 3FEC-002 filter elements are packaged in factory wrapper. Shipping price is dependent on quantity purchased. Please ask for a quote BEFORE shipment for cost of shipment for quantities greater than 1. For large quantities I can ship using your UPS labels Have a question? Please feel free to contact me. I also have different types of:gas (sample) pumps Sintered Stainless filter elements, thermistors, fittings, etc.other consumable supplies