The original! Our UNIQUE Split Sleeve Firestop System is designed to retrofit existing cable violations in a firewall
with a re-enterable, multi cable transit system. This zero-maintenance through-penetration system is installed
without any tools in minutes. No screws. No bolts & nuts. No clamps. No anchors. NO TOOLS REQUIRED. This Split
Multi Cable Transit System is UL 1479 Classified for up to 4 hours. Made in the USA.