Pendent EC/QREC Sprinkler Head | VK600 Viking® | 5.6K Chrome 155F
VK534 - EC/QREC Pendent Sprinkler (K11.2) | Viking Group Inc.
VK600 K5.6 EC PD
EC-14 Upright Special response K200 3/4" - EC-14 Pendent & Upright - Extended Coverage Sprinklers - Fire Sprinklers & Nozzles - Products | JCI Webshop
TYCO TY5237 Sprinklers with K Factor of 11.2/16, Extended Coverage, thread size of 20mm, Brass finish, temp of 68, part number 518931155 - Fire Systems Products wholesale
Source FM TY4332 Extended Coverage Horizontal Sidewall Concealed EC-HSW Fire Sprinkler heads on m.alibaba.com
Standard response sprinkler - EC-25 - Total - upright / extended coverage / storage
TYCO Series EC-8 3/4 in. 155F 8K Extended Coverage and Pendent Sprinkler Head in Signal White - 50-801-4-155 - Ferguson
Upright Area / Density Special response K=360 1" - EC-25 - Storage Sprinklers - Fire Sprinklers & Nozzles - Products | JCI Webshop
VK532 - EC/QREC Upright Sprinkler (K11.2) | Viking Group Inc.
VK602 - Microfast® EC/QREC Pendent Sprinkler (K8.0) | Viking Group Inc.
VK595 K25.2 EC UP
Ec Upright Special Response 3/4' Sprinkler - China Fire Sprinkler, UL Listed Fire Sprinkler | Made-in-China.com