KINGER Braided Flexible Sprinkler Drop with Complete Fittings UL/FM, Multiple Sizes (1, 72" (1/2"))

Largest Sprinkler K-factor for ½ in. Outlet: 5.6 Largest Sprinkler K-factor for ¾ in. Outlet: 8.0 Maximum Ambient Temperature: 225°F (107°C) Factory Mutual, FM Class No. 1637, and Underwriter's Laboratories, Inc., UL 2443 Intended for use in wet, dry, or preaction actuated systems.