Viking® VK305, Model M, 5.6K, Standard, Horizontal Sidewall, QR, 1/2" NPT, Brass, 200 Degree 12997AE Fire Sprinkler Head 57-390-4-155 They are “standard spray” sprinklers

They are “standard spray” sprinklers intended for use in fire sprinkler systems designed in accordance with

77-571-4-200

Helps prevent unauthorized exits/entries

This escutcheon is custom manufactured from aluminum to fit the original escutcheon that is no longer manufactured and has no replacement

57A2173299

Viking® VK305, Model M, 5.6K, Standard, Horizontal Sidewall, QR, 1/2" NPT, Brass, 200 Degree 12997AE Fire Sprinkler Head 57-390-4-155 They are “standard spray” sprinklersViking VK305, Model M, 5. 6K, Standard, Horizontal Sidewall, QR, 1 2" NPT, Brass, 200 Degree 12997AE Fire Sprinkler Head The Viking Microfast Quick Response Horizontal Sidewall Sprinkler VK305 is a small thermosensitive glass bulb spray sprinkler available with various finishes and temperature ratings to meet design requirements. The special Polyester and Electroless Nickel PTFE (ENT) coatings can be used in decorative applications where colors are