- $99.00Vintage 1940's Porcelain Enamel Finish Metal Sign Grinnell Sprinkler System - Valve No. This Building Keep Open Cobalt Blue ColorEtsy
- $31.59Sprinklers Throughout Building SignWayfair
- $12.58Sprinklers and Drip Systems : The Right System for Your Yard, Step-by-Step Sprinkler Installation, Building Effective Drip SystemsBetter World Books
- $9.99Fire Sprinkler Head Pendent Type 155℉ Water Spray Down 68℃ 1/2" Inch Thread Quick Response Water Spray Down or Home/Commericial/Residential BuildingAmazon
- $14.59SmartSign "Sprinklers Throughout Building" Sign | 10" x 14" AluminumAmazon
- $11.9510 in. x 12 in. Aluminum Fire Safety Sign Sprinklers Throughout BuildingThe Home Depot
- $28.96ACYOGIE 2 Pcs Fire Sprinkler Head - Copper Chrome, 1/2” NPT 155℉(68°C) Pendent Type Spray, K80 Fast Response Automatic Fire Sprinkler System for Factory, Mall, Warehouse BuildingAmazon