Duratex-c PTFE filters is a fire retardant coating is applied to this corrugated poly-blended ePTFE media, and then the proprietary membrane is permanently bonded to the substrate that will not allow delamination. With a HEPA grade E11 efficiency, low-pressure drop, and an economical price, this 100% hydrophobic media is an upgrade to nanofiber products in durability and efficiency.

The ePTFE membrane is permanently bonded to the substrate and offers excellent particulate release and is resistant to harmful chemicals and salt. This unique poly-blend base and proprietary relaxed membrane put this media in a class of its own!