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Notch Lock

Elgen’s Notch Lock eliminates duct system noises and vibrations. All fabrics have a flame retardant coating and are waterproof and airtight to +/- 10”w.g. Formed with ASTM A-653 G60 Material. Designed to meet NFPA-701 (Formerly UL-214). UL-723, NFPA-90A & 90-B, meets SMACNA and tested in accordance with LEEDS®.

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