Amazon.com: VIKING VK3521 19925FB Quick Response Pendent Fire Sprinkler (K8.0) : Everything Else
The world's first residential sprinklers approved to EN12259-14
VK464 - Mirage® Quick Response Concealed Pendent Sprinkler (K8.0) | Viking Group Inc.
Fire Sprinkler Head, Viking Institutional, VK426, Pendent, Flush, 5.6K, Quick Response, Standard Coverage, 1/2" NPT - Available In Multiple Colors and Temperatures
VK3501 - Quick Response Upright Sprinkler (K8.0) | Viking Group Inc.