Leyon FM UL Series FL-QR/ST/ESFR Storage Fast Response ESFR Pendent Sprinklers K22.4 32.0

The Leyon FL‑QR/ST/ESFR Series are FM‑ and UL‑listed ESFR (Early Suppression Fast Response) pendent sprinklers, engineered specifically for high-piled storage protection. With a high-capacity performance at a K-factor of K22.4 (32.0), these sprinklers enable rapid water discharge and suppression to safeguard large warehouse and storage rack systems—often eliminating the need for in-rack coverage.